dev资讯

I tried to solve it somewhat elegantly:

回顾这场跨越硅谷的人才流动，七个月前就已经“失血”的苹果，其处境依然值得审视。

。夫子对此有专业解读

full. append again has to allocate a new backing store, this time

* - this.arr：存储每日股票价格（按调用next的顺序）