如果人人都有安全意识，每个人都懂得保护自己，真爱生命。那么这将是一个和谐、充满幸福的世界。
If everyone has a sense of safety, and everyone know how to protect themselves and everyone cherish his life, there will be a harmonious and happy world.
每个人都懂得这一点，但是空气在许多其它方面也是必需的——这些方面并不总是如此明显和广为人知。
Everyone understands that. But air is necessary in many other ways - ways that are not always so obvious or widely know.
每个人都懂得这一点，但是空气在许多其它方面也是必需的——这些方面并不总是如此明显和广为人知。
Everyone understands that. But air is necessary in many other ways - ways that are not always so obvious or widely know.
应用推荐