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3怎样考虑起点本文一开始就指出在研究有方向的量时,应该把起点与大小方向区别开.这种情况在日常生活中有的是.下面我们编一个故事读者看一下是否切合“生活情景”.有人(姑名之为A)看见B手上有一本书正是自己想买而未买到的,于是就问是在哪里买的.B说:“不远,你就沿着这条路向
3 How to think about starting point The beginning of this article points out that in studying the amount of direction, we should distinguish between the starting point and the size direction .This situation is in our daily life.Here we compile a story reader to see if it fits the “life scene.” Someone (a girl named A) saw a book in his hand that he just wanted to buy but did not buy it, so he asked where he bought it.B said: "Not far, you follow that path