A voidable contract is one in which one or more parties have the power to end the contract.

可撤销合同是一方当事人或多方当事人有终止权的合同。

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

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。

The fact that a rule of law renders a promise voidable or unenforceable does not prevent it from being consideration.

由于法律规则使得诺言可撤销或者无法强制执行的，并不影响该诺言成为对价。