Those diet fads are just about marketing, not about actual science.

这些流行减肥饮食法都只是市场营销，不是真正的科学。

Get off the whirligig of management fads.

把管理狂热的奇怪念头撇到一边。

You see it with food fads.

你看看吧，食物潮流足可以为证。

Now, we're generally wary of fitness fads.

总的来说现在我们对健身时尚很敏感。

It was a lesson to me not to follow fads.

这对我来说是个教训，即不要赶时髦。

When it comes to frivolous fads, the Pet Rock is king.

若论无聊时尚之王，非宠石莫属。