在几个小时漫无目的的搜寻之后，他们快没燃料了。After several hours of aimless searching they were getting low on fuel.他过着一种漫无目的的生活.He led an aimless sort of life.他过着无目的的生活.He leads an aimless life....
替代者已经找到并到岗.Replacements have been found and moved into position.我们应先从替代者做起.Instead , we'd start out with surrogates.我的秘书下星期要走, 所以我们现在正登广告招聘一位替代者.My secretary leaves us next week, so we are advertising for a replacem...