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.
我喜欢在股票打折时买入。
To keep young kids behaving on a car road trip， have a bag of their favorite candy and throw a piece out the window each time they misbehave.