The words on the card really (count)
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he has a (vivid) memeory of his past happy holiday
A. 10
B. 明显的
C. 诱人的
D. 生动的
social(customs) differ from nation to nation
A. 10
B. 海关
C. 习俗
D. 顾客
According to your understanding, what are the reasons for international trade?
What is transit trade?What are the differences between visible trade and invisible trade?