clean up sth的用法和樣例：
例句
- The waiters are said to pick up a fair amount in tips.
據說(shuō)服務(wù)生能賺得數量相當可觀(guān)的小費。 - Halfway through last year it was sitting on big gains on chartered-in vessels, so it doubled up the bet that charter costs would rise and went long FFAs.
去年年中，中遠在租用船舶業(yè)務(wù)上賺得盆滿(mǎn)缽滿(mǎn)，于是，該公司將籌碼翻倍，押注租船費將上升，并買(mǎi)入遠期運費協(xié)議。
