You should switch shampoos each time you do your hair.

你每次应该转变洗发精，你做你的头发。

youdao

But our sales tell us that when it comes to hair dye women are more likely to change their shade when they see a celebrity switch shade than any other reason.

但我们的销售情况告诉我们，在选择染发剂时，女人最可能因为看到名人改变发色而去染自己的头发。

youdao

Membrane keyboard: the keyboard using membrane switch technology, hair-trigger, free to users.

薄膜键盘：键盘采用薄膜开关技术，一触即发，用户。

youdao

Harry Gaus, a German physicist, had sued Conair for infringing his patent for a hair dryer safety switch.

FORBES: Gold Diggers