有足够的证据说明水是如何控制你的食欲的。
There's no shortage of anecdotal evidence about how water might work to control your appetite.
没有足够的证据说明我国的基金经理有市场择时能力，但是多数基金经理具有证券选择能力。
Although most managers of mutual funds bear security-selecting ability, there is little evidence to justify that these managers abound in timing ability.
本回顾研究没有发现足够的证据说明，在避孕，出血模式，或持续用药方面，双相口服避孕药有优于单相避孕药。
This review did not find enough evidence to say if two-phase pills worked any better than one-phase types for birth control, bleeding patterns, or staying on the pill.
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