push and go的用法和樣例：
例句
- The Chinese I knew were trusting, open, and vital.
我所認識的中國人信賴(lài)別人，坦率，充滿(mǎn)活力。 - My youth and youthful strength fled long ago.
我的青春和青春的活力早已消失。 - Don't waste your time and energy on trifles.
別把你的時(shí)間和精力浪費在瑣事上。 - I was so sick that I have no energy to go to work.
我病得厲害，沒(méi)有精力去上班。
