adj.推測的；推理的；思索的；投機的

The report is highly speculative and should be ignored. 那個報道推測的成分很大，不應理會。

The inaccessibility of this remote region, now called Amazonia, meant that long-held theories about the early days of the river and surrounding forest were speculative at best. 而現在稱為亞馬遜流域的這個偏遠地區(qū)難以進入，也意味著長期以來關于早期河流與周圍森林的理論，頂多是靠推測的。

The other case which is excluded is the case of speculative demand. 另一個未談的情況是投機的需要。

n.思索(投機性)