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悲伤是爱变成了永恒的缺失。
形容曹雪芹的文笔如龙腾虎跃,气势非凡。
The most prominent single element in modern scientific management is the task idea. 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.