Based on speculative or abstract reasoning.
哲学上的, 理论上的建立在思辩或抽象的推论之上的
A speculative monopoly of a stock or commodity created by purchasing all or most of the available supply in order to raise its price.
垄断通过购买所有的或大部分的可获得的供应品以期提高其价格, 而对股票或商品的一种投机的控制
His conclusions are purely speculative.
他的结论完全是推测而来的。
