It is often the case that early interests lead on to a career.一个人毕生的事业往往源于早期爱好。The team has a 3-game lead on last year's champions.球队以三场胜利领先去年的冠军。At last we got a lead on the McCreary case.我们终于得到了一条麦克里里案件的线索。The G8 has to take the lead on climate change.八大工业国组织必须在应付气候变迁问题上起带头作用。