sales in的意思是额:national s**ings gross sales in june totalled £ 709 million. 6月份国民储蓄机构的总销售额为7.09亿英镑。anecdotal evidence suggests that sales in europe h**e slipped. 有证据表明欧洲的销售量已经下滑。sales out的意思是销去。例句:land...
两者都是现在完成时,有差别.h**e been in 是说去到某方没走,一直待里;i h**e been in america for 3 years.我已经在美国呆了3.(我现在依然在美国.)h**e been to是说“去过”,现在不在那里了.但是它不是过去时,所以不能像二楼的那个例子用5 years ago.举个例子:i h**e been to america for 3 times.我去...
你好,很高兴为你解答,希望帮到你be experienced at对…有经验 at指对象 be experienced at+sth(n)/doing sth(v) he ** very experienced at mending cars.他修车很有经验。be experienced in 在……有经验 in通常指某个领域,方面be experienced in+doing sthan ex...