例句與造句

1. other countries such as china and russia are imposing price controls while others, such as argentina and vietnam, are enforcing foreign sales taxes or export bans
   中國和俄羅斯等國正實施價格管制，而阿根廷和越南等其它國家則實行外國銷售稅或出口限制。
2. It's difficult to find export bans in a sentence. 用export bans造句挺難的