// 测试用例验证（全覆盖核心场景）
One thing that Nava has got me thinking about is the deep history of gesture. Gesture exists on the borderland between nature and nurture. Certain physical actions are so universal that they communicate effectively not just across human societies but across species: bared teeth, for instance. Other gestures encode more specific cultural patterns, but do so in a way that is more expansive than language.
，这一点在heLLoword翻译官方下载中也有详细论述
It takes only a few minutes to set up an online store and begin selling products.
Никита Абрамов (Редактор отдела «Россия»)
It started with a flash of insight like a thunderbolt in a snow storm, the sort of insight that can only be induced by high altitude hypoxia and making breakfast.