buy sth up

• 买下 ... 的供应量； 买光； 全买； 尽可能买进

buy sth up的用法和样例：

例句

1. I hear there's going to be a price increase soon, but keep it under wraps or everybody will buy them up.
   我听说很快就要涨价了，不过要保密，否则大家会把它们全买光的。
2. The store was cleaned out of cigarettes by customers who expected the price to go up.
   该店铺的香烟全被顾客买光了，他们估计烟价要上涨。
3. It's unwise to tie up all your money in shares.
   你把所有的钱全买了股票不能动用，这样不明智。
4. The big banks agree to buy out the little banks at an appropriate discount.
   大银行同意按适当的折算率把小银行的贷款全买过来。