原创教案、课件每篇1元-20元
她肯定会控制这局面,她毕竟是个行家。
4.Export restrictions in India, as well as floods in other major producers like Pakistan, have all contributed to the rise in prices.
contribute to促成
例句:Smoking is a major factor contribute to cancer.
吸烟是致癌的一个重要因素。