6PHRASE 在现场;临场 If someone or something is on site, they are in a particular area or group of buildings where people work, study, or stay. 在现场;临场
It is cheaper to have extra building work done when the builder is on site.
建筑工在现场干活时,让他额外做工的话工钱会便宜一些。
...the on-site supermarket.
附近的超市
7PHRASE 不在场;离开 If someone or something is off site, they are away from a particular area or group of buildings where people work, study, or stay. 不在场;离开