buy up
尽量收购, 全部买下
例句与用法：
Speculators are thick on the ground-literally speaking. They buy up land, sit on it for a year of two and resell for several times what they paid.
不夸张地说，投机商多得很，他们买下土地，然后放它个一两年，再以几倍于以前的价格卖出去。
Speculators are thick on the ground. They buy up land, sit on it for a month or two and resell for twice what they paid.
投机者多得很，他们买下土地，搁置一两个月后又以双倍的价格卖出去。
A new york business man have buy up the entire company.
纽约的一个商人把整个公司收购了。
He bought up all the spare building land in the district and can now charge what he wants for it.
他把这个地区的所有闲置的建筑土地全部买下了，现在他可以随心所欲地要价了。
全部买进
They bought up all the sugar in London.
他们把伦敦所有的糖如数购进。