direct supervision的用法和样例：
例句
- Pneumatic and steam pressure testing must be carried out under the direct supervision of an Authorised Engineer.
气动和蒸汽压力测试必须在授权工程师的直接监督下进行。 - In an automobile factory, it is likely that the workers perform repetitious work and become quite skilled over time at their jobs, lessening the need for immediate supervision.
在汽车工厂，很可能工人从事重复性的工作，在一段时间后就对工作熟练了，所以就减少了对直接监督的需要。
