Among these reasons, learning a foreign language for work, travel and research is the most compelling reason found in most language learners.
First of all, it is clear to realize that most people learn a second language to help them at work. For example, sales staffs come across the situation that they have to contact regularly with customers of foreign languages, being able to speak and write the languages which other sides can understand makes them much more professional and rewarding. That is because learning a second language enables them to feel at ease at work and comprehend their customers effortlessly. Another instance is that it may also help business people to negotiate and come to a deal with foreign counterparts without using interpreters if they learn a foreign language and speak the language fluently. In some cases, using interpreter might slow everything down and misrepresent facts among speakers and addressees, then being capable of using a foreign language while negotiating helps business people gain secure contracts. Generally speaking, for the sake of work, business people as well as those who involve regular contact with foreign-speaking people will find a realistic need of foreign-language learning.
In addition to learning foreign languages for work, most people probably approach to language learning because of their purpose of travel. In fact, the purpose might be especially true to some extent for those who want to travel to foreign countries where they have to deal with locals. For instance, a basic ability in a foreign language will help travelers to get to know locals, to order food and drink, to ask for street direction, just a few to name. What is more, if the travelers have more advanced level of the local language, they can participate in real conversations with the locals, which will count for much their language practice and will add a new dimension to their holiday. Most importantly, for tourists who like homestay travel might find something useful in the host country, like understanding culture, for example because they can use proficient language to gain deeper understanding with their host. Broadly speaking, acquiring of foreign language puts those who are travelers at an advantage.
And the final reason why people study second language is that they need the language so as to conduct researches. In practice, there might be happening to students who are fishery major that they sometimes need to do research paper on fisheries. In the case, if students are lack of knowledge of foreign language, English, for example, they are passive in searching out related-fisheries material in English to cover in their research paper. On the contrary, being proficient in the language will greatly help them to facilitate in finding and comprehending English texts on the internet or books, etc. In addition, knowing more than one language will help the students to be more flexible and active in searching process. That is because if they cannot find information in their native language, they can do that in the second language or even the third one. After all, being able to use foreign languages will help the learners have easy accesses to conducting research or study.
In conclusion, as long as people still need to make use of foreign languages for their certain purposes, they will find some appropriate and persuasive reasons for their learning like reason for job, for travel and so forth. Hopefully, in order to be on the right track in learning languages, people should identify the core reasons why they want to acquire these languages in order that they make great effort on studying.