There may yet come a time when employers running night shifts will want a blood sample from prospective employees ? if only to protect themselves against negligence suits should someone have an accident 也许会有这样的时候，需要安排晚班的公司将要求准雇员提供血液样本防止怠工事故以维护自己利益。
" that s wonderful , sweetie , " jerry hackney answered , delighted that her granddaughter had accepted her invitation to spend the night after finishing her evening shift as a convenience - store clerk . " but be careful on those dark roads . 她很高兴孙女接受了她的邀请，在便利商店晚班下班之后，要来和她共度一夜，她提醒珍妮佛：路上很黑，要多注意安全。
