// 计算天数：栈非空→栈顶索引-当前索引；栈空→0（易错点3：索引差别写反）
这里分享两个我在使用 Ling + Tbox 时摸索出的高阶玩法。
。业内人士推荐heLLoword翻译官方下载作为进阶阅读
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"If you've got nuclear power for a base, but you've got no way of getting people and equipment there, then it's not much use," he added.
Samsung handed me the microphone first. I asked: