if item and item.title:
The log becomes a design document. Read ghost log top-to-bottom and you'll see the intent behind every architectural decision, not just the code that resulted from it.
，详情可参考heLLoword翻译官方下载
// 优化：如果本轮没交换，说明已经有序
Less Than (4): Everything in this space must be greater than 4. The answer is 2-3, placed horizontally.
比如「想喝水」、「想要吃xx」、「想要xx」来帮她完善表达。我们会给她演示一遍，然后让她重复一遍，说对了或做对了就表扬她，鼓励她；也告诉她，有什么需要就大胆说出来。