The contract shall be valid for 10 years from the effective date of the contract, on the expiry of the validity term of contract, the contract shall automatically become null and void.

本合同有效期从合同生效之日算起共10年，有效期满后，本合同自动失效。

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This contract will be invalid automatically beyond the expiry date of implementation.

这份合同会在过了合同规定的履行时间之后自动失效。

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As the date of expiry is over, the contract is invalid.

由于已经过了期限，这份合约是无效的。

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