buy-out 买下…的全部股份;赎买;购空存货。全面收购，全部买下市场产品 可以指买下公司，产品等货物，一般只大宗产品。 MBO(Management Buy-Outs,管理层收购)
例句：
The bank had to pay to buy out most of the 200 former partners
银行不得不花钱买下过去200名合伙人手中的大部分股权。
buy-in 买进;大宗购进（某物）;加入，入伙;收买(为了接管某公司买进其控制股权）只能用来表示买进股票，股份。 MBI(Management BuyIn,外部管理团队收购)
例句：
The company seems to be doing so well that I would like to buy in.
这家公司看起来生意兴隆，我愿意入股。
vt.& vi.购买，购得 n.交易，买卖;便宜货 vt.够支付;买通;收买;贿赂
1.(have) bought it
(informal)to be killed,especially in an accident orawar 被杀死; (尤指)在事故中丧
生，阵亡
2.buy the farm
(NAmE,informal) to die 死; 死亡
3.buy time
to do sth in order to delay an event,a decision.etc.拖延时间
4.the best that money can buy
5.the very best 佳品;精品;极品
We make sureourcientsget the best that money can buy.
我们确保客户买到最好的产品。
6.(buy) a pig in a poke
if you buy a pig in a poke you buy sth W ithout seeing it or knowing if it is good
enough (买)未看过的东西; (买)不知优劣的东西
7.sell sb/buy a pup
(old-fashioned,BrE,infomal) to sell sb or be sold sth that has no value or is worth
much lessthan the price paid 卖给...(或买到)伪劣货