如题所述
play an important role
play an important part
钢铁工业在国民经济中起重要作用。
The iron and steel industry plays an important role in our national economy.
play an important part
钢铁工业在国民经济中起重要作用。
The iron and steel industry plays an important role in our national economy.
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第1个回答 2012-03-08
play an important role(part) in....
第2个回答 2012-03-08
(什么)pay an important role in（某方面）
第3个回答 2012-03-08
play an important role in
第4个回答 2012-03-08
?
