Essentially, users notify each other that they are online, but location awareness expands upon this concept.
实际上,用户通过“我有空”状态告诉其他用户自己在线,而位置识别又扩展了这个概念。
After the concept of Death Education was proposed in foreign countries, we develop the Education of Death Awareness.
在我国开展“死亡意识教育”是基于国外提出的“死亡教育”这一概念而提出的。
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