他那份工作做了四年，之后通过努力成为了一名学校的安全监督员。
He held that job for four years and then worked his way up to being a school safety monitor.
同样，健康与安全监督员确保餐厅厨房不会缩减规模。
Likewise heath and safety inspectors ensure restaurants don't cut corners in the kitchen.
同样，健康与安全监督员确保餐厅厨房不会缩减规模。
Likewise heath and safety inspectors ensure restaurants don't cut corners in the kitchen.
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