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Interpreter mode is our last talk for the time being. It is generally mainly used in compiler development in OOP development, so its application scope is relatively narrow.Command mode: Pay attention to encapsulating requests as objects, support changes in requests, and realize decoupling between behavior requestors and behavior implementers by abstracting a group of behaviors as objects.When many salesmen start to do business, they are often very energetic. They don't know what to do when they find customers, send samples and quote prices. They often lose all their achievements. In fact, you should keep asking him, when will your order come down, and keep asking him until there is a result. In fact, purchasing is waiting for us to ask him, just like a child does not cry, how do we know he is hungry?Action: Prostrate.我想给谁当儿子就给谁当儿子。如今的情况，杨长帆贪个万两白银如探囊取物，可他就是不出手。In addition, according to the international general monthly minimum wage standard, which is equivalent to 40-60% of the average monthly wage, the range of the monthly minimum wage standard in this region should be between 360 yuan and 540 yuan.