adj.推测的；推理的；思索的；投机的
The report is highly speculative and should be ignored. 那个报道推测的成分很大，不应理会。
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. 而现在称为亚马逊流域的这个偏远地区难以进入，也意味著长期以来关于早期河流与周围森林的理论，顶多是靠推测的。
The other case which is excluded is the case of speculative demand. 另一个未谈的情况是投机的需要。
n.思索(投机性)
