Dietary supplements and weight-loss aids aren't subject to the same rigorous standards as are prescription drugs. Thus, they can be sold with limited proof of effectiveness or safety.

膳食营养品和辅助减肥产品并不像处方药一样要按照非常严格的标准来，因此只要出示有限的有效性安全性证明，就可以出售。

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He is living proof that the types of food you eat don't matter for weight loss.

他的事实证明了吃的食物和减肥没有关系。

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Since the notable particularities of antitrust violation compared with common tort behavior, the calculation and proof of the loss caused by an antitrust violation mostly rely on expert testimony.

与一般的民事侵权行为相比，垄断行为造成的侵害有显著的特殊性，因此垄断损失的计算和证明多采用专家证言形式。

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First step: Immediately ask your adjuster for an extension on submitting proof of loss.

FORBES: Magazine Article

If you win, you probably also lose sometimes, and you can claim gambling losses as a miscellaneous deduction, up to the amount of your winnings -- but only if you have proof of the loss.

FORBES: Better buy yourself another filing cabinet

The insurance company may send you a proof-of-loss form to complete, or an adjuster may visit the home first.

WSJ: Filing a Claim? Here's What to Do