The contract also has preconditions that require clients to pass in an amount greater than or equal to zero to both withdraw() and deposit().

合约还有几个前置条件，要求客户传递给 withdraw() 和 deposit() 的参数大于或等于 0。

youdao

Lord Wigley agreed to withdraw the amendment, along with another that sought to require a court to consider the effect on dependents of a sentence it hands down.

BBC: Legal Aid, Sentencing and Punishment of Offenders Bill

The court said Washington couldn't require states to expand Medicaid, a state-run program for low-income people, by threatening to withdraw funding.

WSJ: Ruling Underscores Hospitals' Strategy