这里填的是:while 表示轻微转折,这个是while的用法之一 While作并列连词用,意思为“而,然而”,表对比.而but表转折.注意用心比较体会while与but的句中用意 1.Some people waste food while others haven't enough. 有些人很费粮食,然而有些人却吃不饱. 2.The son was having a good meal at home,while the parents were working in the fields 儿子在家吃好饭而父母却在田里辛勤劳作.