短语词组短语Signing bonus 签约奖金;签约费;转会费;签约金signing ceremony 签字仪式；签约仪式Code Signing 代码签名;密码签名;代码署名Signing Contracts 签订合同Signing Time 手语时间;宝宝手语;签订时间Signing Board 签名板signing messages 签名信息Signing Contract 签订合同;签约signing off 船员解雇签署；声明离开 返回 signing