speculator

n. 投机者,投机商人,思索家

A ruthless speculator or adventurer.

冷酷的投机者或冒险家

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。