形容詞 speculative:

1. not financially safe or secure
   同義詞：bad, risky, high-risk
2. not based on fact or investigation
   同義詞：notional
3. showing curiosity
   同義詞：inquisitive, questioning, wondering

1. Based on speculative or abstract reasoning.
   哲學(xué)上的，理論上的建立在思辯或抽象的推論之上的
2. A speculative monopoly of a stock or commodity created by purchasing all or most of the available supply in order to raise its price.
   壟斷通過購買所有的或大部分的可獲得的供應(yīng)品以期提高其價格，而對股票或商品的一種投機(jī)的控制
3. His conclusions are purely speculative.
   他的結(jié)論完全是推測而來的。
4. Their speculative buying of grain is illegal.
   他們投機(jī)購買谷物是不合法的。