First, nowadays with the development of computer science, we use computers almost in every aspect of our life, especially in education. Some people predict that one day computers will take the place of human teachers. Is that true? It is true that it is both convenient and economical to learn this way. For example, we can listen to online lectures without leaving our homes and can stop at any time we want. We can also take free courses on the Internet. But we also have to admit that if we have doubts and problems while we are listening to the on-line lecture, which is sure to happen from time to time, no one can help us out right away. To solve this problem, what we need to do is perhaps to send e-mails and then wait for the reply for days or even for weeks. However, we dont have to face such problems if we learn from human teachers as they can help us out all at once. Also, they can adjust their teaching process according to how well we can follow them, that is, they can adapt their teaching methods to suit our actual levels.
师从真人教师的确具有很多的优势,但另外一个事实是:我们不得不天天去学校上学,而要这么做,我们就要花费很多的时间在学校和家之间奔波,从而蒙受交通拥堵和所有各种各样的不便。
While learning from human teachers does possess many an advantage, it is also a fact that we will have to go to school everyday and in so doing, we will have to spend a lot of time traveling to and from schools, thus suffering from traffic jams and all the other kinds of inconveniences.
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