不到法定年龄的人签订的合同是可撤销合同，该未成年人可撤销这一合同。

A contract executed by one who is under legal age is voidable and can be disaffirmed by the minor.

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在中国，在香烟和酒水销售的地方，你可能看不到的明显的标志写明购买这些东西的法定年龄。

Here in China, in the places where cigarettes and alcohol are selling, you can't see the clear sign of the legal age for buying these stuff.

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