If you can't help, don't hinder.

如果你无能为力,就不要妨碍。

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Now on the other hand, if someone is selling a product, opening a dance studio, or has some other aim to help themselves, then I tend to look askance at some of these strange stories from outer space.

另一方面,如果有人在卖产品,开舞蹈室,或者有其他的目的来帮助自己,那么我倾向于用怀疑的眼光来看待这些来自外太空的奇怪故事。

Nutrition is also a valuable component that can help athletes both protect themselves and improve performance.

营养也是一个有价值的成分,可以帮助运动员保护自己和提高成绩。