题目内容：

用英语解释这些词语的意思
price fluctuation:
trade protectionism:
mport quota:
是用“英语句子”来解释这几个词语的意思，我知道这几个词语的意思

优质解答

1.price fluctuation：the price is always changing.2.trade protectionism:In foreign trade restrictions on imports to protect domestic goods in domestic market from foreign competition,and to domestic g...