n. 根源,本源;源头,水源;原因;提供消息的人;
vt. (从…)获得;发起;向…提供消息;寻求(尤指供货)的来源;
vi. 原料来源;起源;寻求来源;寻求生产商(或提供商);
source(rise)→泉源;源头
🗣️ 情景例句
Haven't you finished balancing that checkbook?
你还没有核对完支票簿帐目吗?
Keep thing seven years and you will find a use for it.
备而不用。
He loved to be told that one of his imaginary products was temporarily out of stock and he would faithfully promise to call again at some future date, but of course he never did.