Mandatory sign 双语例句
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1·Mandatory sign: mandatory sign requires specific behaviors or action.
强制性标识:强制性标识是对行为或行动的明确要求。
2·But, let's be clear, a mandatory recall is a sign of failure.
但是,我们也清醒地认识到,强制召回是一个失灵的象征。
3·Why is it mandatory that I find a plus sign?
为何正号是强制的?
