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As we said earlier, MinGw is required to install Gcc. MinGw is installed below:因刚来学校，对周边的同学、环境都不太了解而投了空票。为了得到她的一票，范琪琪和章芍芍竟想方设法关怀她。同时两位候选对手还打听出林酷儿要到台北去帮爷爷找初恋爱人的事，随之各显神通的帮忙林酷儿。为了实现林酷儿爷爷的愿望，范琪琪和章芍芍暂时联手，想尽一切办法终于见到爷爷的初恋爱人，确因一时口误而被驱逐出门。之后奶奶的孙子齐弦因为不忍心看自己奶奶伤心落泪，想要报复林酷儿，几经周转……. 离别半个世纪的两位老人，在视频中相遇，两人相看泪眼，在交谈中终于了解到半个世纪前的那一幕.........以前也经常如此的，倒也不是很奇怪。腾远学院新来的转学生颜晓希，养父曾是乒乓球高手，在养父的言传身教下，颜晓希打得一手好乒乓。颜晓希是个自立自强的女生，不仅打多份工贴补家用，还运用自身娴熟的球技参加球赛，挣取奖金交学费。腾远学院乒乓球社团社长齐景浩，是一个帅气的乒乓球高手，一次偶然他见识到颜晓希出众的球技，因此力邀颜晓希加入乒乓球社团，共同携手赢得全国学院杯冠军，颜晓希的加入让社团注入新的活力，乒乓社团日渐壮大，吸纳更多年轻的优秀球手。在一次次高手对决中，国球的竞技魅力深深感染了所有人。This is well understood. In actual development, we often encounter too many methods defined in this interface, so that sometimes we do not need them all in some implementation classes. Look at the code:In real life, China's income tax is divided into enterprise income tax, foreign-invested enterprises or foreign-invested enterprises income tax and personal income tax. For these three types of income tax, each is calculated in a different way. Personal income tax has a personal income tax calculation method, while enterprise income tax has its corresponding calculation method. If we do not adopt the policy mode to realize such a requirement, we will define an income tax class, which has an attribute to identify the type of income tax and a CalculateTax () method to calculate the tax. In this method, we need to judge the tax type and calculate the income tax for different tax types through if-else statements. Such an implementation can indeed solve this scenario, but such a design is not conducive to expansion. If the system needs to add an income tax in the later period, it has to go back and modify the CalculateTax method to add an additional judgment statement, which clearly violates the principle of "open-closed". At this time, we can consider using the strategic mode to solve this problem. Since the tax method is the changing part of this scenario, we can naturally think of abstracting the tax method at this time, which is also the essence of the implementation of the strategic mode.再说，皇帝只不过想为香荽出气罢了，见她不计前嫌护鲁三，遂顺水推舟，说看在张姑娘的面子上饶了他。