如何明智地使用牙膏。
You don't really need to use toothpaste with your young child unless his diet includes lots of sugary foods - which you should avoid anyway.
其实你不一定要给孩子用牙膏,除非他的饮食中含有大量的甜食,这时你应该尽量控制和避免。
I am not talking about using coupons or discounts to buy what you will eventually use such as toothpaste or shampoo.
我不是在和你谈关于使用优惠券或折扣券来购买诸如牙膏或香波之类的产品。
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