The details of the contract can be changed only when both parties agree to the change.

合约的细节，只有经双方同意才能修改。

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The intersection of two policies gives zero or more alternatives on which both parties agree.

两个策略的交集给出0或多个双方一致同意的替代。

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For example, the unit rates are preset by the buyer and seller, when both parties agree on the rates for the category of senior engineers.

例如，当买卖双方就某级别资深工程师的单价达成一致意见时，单价就由买方和卖方事先确定了。

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Although rivals until polling day, both parties agree they must form a coalition government afterwards.

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If both parties agree to take it to the next level, then make it official.

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This is an issue where an overwhelming number of people in both parties agree.

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