What can be inferred from the last paragraph?
A. The earlier you start a new business, the more you"ll get.
B. Prices in a closed economy may be lower than those in trade.
C. Opening up to trade may do harm to the local businesses.
D. It is hard for people to change their consumption habits.
查看答案
那个正和李教授谈话的人是个著名的艺术家,或类似的身份。 (or something)
饮食习惯在不同的地方可能会有很大差异。 (vary⋯from)