lead in

基本解释

Washington and Seoul also want guarantees that South Korea would take the lead in overseeing any humanitarian operations for the North.
華盛頓和首爾也希望得到韓國在監督在朝鮮的人道主義行動中發揮領導作用的保証。
But, for now, as these companies exist today along with the global customers they serve, each has a substantial lead in a large and critical industry.
但是，現在這些公司存在著，而且與它們所服務的全球的消費者共同存在，每一個公司的領先地位都非常穩固。
The new standards adopted will go a long way towards protecting human health, as they set out new, maximum limits for lead in fish, cadmium in rice, marine bivalve molluscs and cephalopods.
通過的這些新標準將對保護人類健康大有幫助，因爲它們提出魚類中鉛以及大米、海洋雙殼貝類和頭足類動物中鎘的新的最高限量。

The American food company Mars took the lead in paying for mapping the genes of the Forastero cocoa tree.
New York City took the lead in that and we'll talk about that as a political issue later in the class.
紐約帶頭取締了反式脂肪,這件事我們將稍後從政治角度進行討論
耶魯公開課 - 關於食物的心理學、生物學和政治學課程節選
I thought this would be a good lead in to the second theme of this lecture, which is framing.
我認爲這可以爲第二個主題,即框架傚應，開個好頭。
耶魯公開課 - 金融市場課程節選

Pro-choice groups themselves could take the lead in offering their equivalent to Medigap Insurance for seniors.
FORBES: Should The Government Fund Abortions?