Wes的用法和樣例：
例句
- Our partnership dates back to (ie We have been partners since) 1960.
我們從1960年就合伙了。 - The shopkeeper gave us short weight: we got 7.5 kilos instead of 10 kilos.
店主給我們的分量不足: 應該10公斤我們只得到7. - We raised 100, and we need 250: that's a deficit of 150.
我們籌措了100英鎊而我們需要250英鎊，還缺150英鎊。 - I underestimated the time we needed by 30%.
我把我們需要的時(shí)間低估了30%25。
