To some, Pain implies growth. But how do we know when the grow-ing Pains stop...... and the "Pain Pains" take over?
但是我们怎么能知道何时成长的痛苦会转变成疼痛的痛苦?
If we then add a new value to the head of the list, it's known as constructing (or "cons-ing") a new list. The new list will share all the cells from the original.
如果我们随后在列表头部添加了一个新值,则称为构造一个新列表。
In 2001, we noticed a colleague who rhapsodized about the quality of his 35mm Nikon cameras was leav-ing the 20-pound camera bag at home and taking his tiny digital camera everywhere he went.
在2001年,我们注意到一个喜欢摄影的大学生,将自己20磅的相机包里的使用35毫米胶片的尼康相机放在家里,而随身带着轻巧的数码相机。
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