Leadtime
n. 投产准备阶段；超前时间
🗣️ 情景例句
Most people I meet have some English ability, but the ones who work hard at it really stand out from the crowd.
我遇到的多数人都会点英语，但只有那些刻苦学习的人才鹤立鸡群，给我深刻印象。
He that lives well is learned enough.
生活好者，博学多才。
and that is one of the things the young are busily engaged in seeking.
这正是年轻人所热衷追求的。