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小女娃那戏水的身影就深深地刻入他的心底。Nmap Idle Scan姐姐瞳早上出门说是要去旅行，数小时后，却传来瞳撞上电车横死的噩耗，面对面前的无头尸，弟弟克也无法相信这是真的，他决定外出追寻姐姐的踪迹。（稲垣五郎、桜井幸子饰）林聪心里也欢喜，在无人看见的视角偷偷白了他一眼，黄瓜就低头悄悄地笑。If I were to implement a pizza ordering system, I would definitely write the code like this, because this kind of code can be written subconsciously without consuming our brains. However, take a closer look at this code: the purpose of this method is to order pizza. However, the code for ordering pizza also needs knowledge about the production of pizza. This method must know all pizza. Worse still, if the types of pizza are to be expanded or pizza with poor sales volume are to be deleted in the future, then the code for ordering pizza will be modified. It looks very bad and should be revised. Our first step must be to separate the code for producing Pizza from the code for ordering pizza, because you should not let the code for ordering Pizza know the logic for producing pizza, but should hand over the logic for producing Pizza to a special type. In this way, we can cope with future changes-if we want to add or delete pizza, we can directly modify the producer of pizza without affecting the logic of ordering pizza.21当乌玛想要一台新的洗碗机时，阿帕决心得到最好的交易。珍妮特采用了一个新的名字，因为容格试图让自己的工作回到手边。