As far as possible, the teacher should expose the student to real life situations.
教师应该尽可能使学生接触现实生活的情景。
How long does it take?
火车要开多久?
From this we get the expression to make a beeline for someone or something, which means to go quickly along a straight direct course for someone or something.
从这里我们得到一条短语"to make a beeline for someone or something,意思是迅速地沿着一条直线向某人或某物走去。