speculation
speculation n. (1)投机交易；投机 指意图从其价格波动中获取利益而买入或卖出某物。 (2)推测；推断
SPECULATION
speculation
speculation, n. 1. The buying or selling of something with the expectation of profiting from price fluctuations (he engaged in speculation in the stock market). 2. The act or practice of theorizing about matters over which there is no certain knowledge (the public’s speculation about the assassination of John F. Kennedy). — speculate, vb. —