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。
No, that's OK. How much do I own you?
不用了。散热器正常。我要付你多少钱?
The worst thing about the do-it-yourself game is that sometimes even men live under the delusion that they can do anything, even when they have repeatedly been proved wrong.