那它就愿意只卖低价吗？当然不，它也想创新，搞了个33晚的“史诗下西洋”长航线，致敬郑和，其实卖得还不错。但架不住船公司自己没耐心，一看有人包船就跑回去做短线，最后把路走窄了。
arr[j + 1] = arr[j]; // 元素后移
。关于这个话题，夫子提供了深入分析
A complex spec creates complex edge cases. The Web Platform Tests for streams span over 70 test files, and while comprehensive testing is a good thing, what's telling is what needs to be tested.
Where Americans gave up, Chinese startups persevered. Borrowing from mobile gaming, they sold cheaply made shows by the episode instead of selling monthly subscriptions for premium shows.