"a bad investment"
"high risk investments"
"anything that promises to pay too much can't help being risky"
"speculative business enterprises"
"a notional figure of cost helps in determining production costs"
"speculative knowledge"
"if someone saw a man climbing a light post they might get inquisitive"
"raised a speculative eyebrow"
Philosophy must have a practical..as well as a theoretical or speculative side.
出自: Coleridge
All this is speculative,..a dubious guess.
出自: C. P. Snow
His..speculative eyes, the eyebrows raised in a perpetual questioning.
出自: N. Sherry
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海词词典,十七年品牌