我不知道你这个字典, 这个是merriam webster的, 我们也可以请教一下对英语有研究的,http://dictionary.reference.com/browse/buy--in?s=t
buy in,
- to buy a supply of; accumulate a stock of.
- to buy back one's own possession at an auction.
- to undertake a buy-in.
buy–in
noun \ˈbī-ˌin\
Definition of buy–in
Popularity: Bottom 10% of words
plural buy–ins
- 1 : the act or process of buying in especially to cover a short on a stock or commodity exchange
- 2 : acceptance of and willingness to actively support and participate in something (such as a proposed new plan or policy) <Without buy-in from his troops, Gruden's just another tuned-out coach. — Tim Keown, ESPN, 13 Nov. 2000> <Probably the biggest challenge is to increase teacher buy-in. Some worry that Khan's methods are too untested. Others are more blunt, saying he wants to replace teachers with computers. — Kayla Webley, Time, 9 July 2012>