如何使用 "speculation" 造句

1. Profitable speculation requires buying low and selling high .
有利可图的投机行为要求低买高卖。
2. People who know mr reinemund well dismiss such speculation .
了解雷蒙德的人都不懈于此种推测。
3. But malicious speculation on the board has also occurred frequently .
但针对创业板的恶意炒作也频频发生。
4. But many investments appear to be pure speculation that leaves land fallow , the report found .
报告指出,很多投资似乎只是单纯的投机买卖,使得大量的土地闲置。
5. There is huge speculation about what north korea seeks to gain by raising the tension levels .
朝鲜想通过提高紧张的级别来得到什么是一个巨大的思考。