[intransitive, transitive] (bought, bought /bɔːt/) buy sth (for sb) | buy sb sth

1. to obtain sth by paying money for it
   买；购买◆Many people buy airline tickets online.
   许多人在网上购买飞机票。◆Interbrew bought the company for $3 billion.
   英特布鲁公司花 30 亿元购买了这公司。◆Let me buy you lunch.
   我给你买午餐吧。◆If you're thinking of getting a new car, now is a good time to buy.
   如果你想买辆新车，现在的时机正好。◆We always buy in bulk (= buy large numbers of things at one time).
   我们总是批量采购。

 ➡  idiom at bulk noun
●ˌbuy sth ˈin

1. (BrE) (used about a company that produces or sells things) to buy sth from another company because you cannot produce it yourself or because you want to increase your supplies
   买进（指生产或销售产品的公司由於不能生产或想增加供货而从另一家公司购入有关产品）◆The power company couldn't meet demand and was forced to buy in electricity.
   电力公司不能满足需求，被迫买进电力。

2. to buy shares or bonds in a company, especially when you are putting money into that company for the first time
   买进（公司股份或债券，尤指第一次购买公司股份）◆With bonds, you stay with the interest rate you buy in at.
   买债券的话，你要安於利率维持在你买入时的水平。

●ˌbuy ˈinto sth

1. to buy shares in a company, especially in order to gain some control over it
   购买（公司股份，尤指为取得部分控制权）◆The company paid $1.5 billion to buy into its rival.
   公司支付了 15 亿元收购竞争对手。

2. to invest in something
   投资◆The broker advised its clients to buy into the stock.
   经纪人建议客户投资於股票。

3. to believe that an idea is good or that a plan will be successful
   信从◆Many companies have bought into the idea of hiring a chief knowledge officer.
   许多公司随大溜聘用了首席知识官。

●ˌbuy sb ˈoutto pay money for someone to be freed from a contract
出钱使（某人）免除（合同义务）●ˌbuy sb/sth ˈoutto buy sb's share in a company, usually in order to get total control of it for yourself
向某人／某公司买断﹙一家公司的股份﹚◆He was bought out by his partners.
他的合夥人买断了他的股份。  ➡  buyout ●ˌbuy sth ˈupto buy all or as much as possible of sth, especially because it is cheap
全部买下；收购