【正文】
/investigation/the pressure of under control處于控制之下 up and down上上下下;前前后后 up to date 現(xiàn)代的;直到最近的 use up 用完,耗盡;花完 used to do 過去 )經(jīng)常 wait at table伺候進餐 wait for等候,等待 wait on 服侍 (某人 ) wander about 漫游;閑逛 wear off逐漸消失;磨掉;耗損 weed out清除,除去 What about...? (對于 )…怎么樣