我经常被问及我的剧本是如何产生的。我说不出来。我也无法向自己解释它们的意思。

The work of every workman is fully planned out by the management at least one day in advance, and each man receives in most cases complete written instructions, describing in detail the task which he is to accomplish.

乳制品行业必须在环境管理方面发挥领导作用。