We often say that the earth is our homeland and human society comes from nature. Therefore,I think our society is a part of nature. People should live harmoniously with nature. All the materials we need to live with come from nature, but we should also repay the nature, rather than blindly solicit. For example, we should plant more trees and take actions to protect the environment. In addition, we have to control population. Due to excessive population growth, human being srequire much more natural resources than before, which lead to excessive pressure on nature. In order to long-term development, the population growth must be controlled. We all come from nature which is our homeland, so we must try best to protect it.

我们常常说地球是我们的家园，人类社会也是从自然界分解出来的。因此，我认为我们的社会是自然界的一部分，人们应该与自然和谐共处。我们所需的所有生活材料都来自于自然，但是我们也要回馈自然，而不是一味地索取。例如，我们应该多种树，要采取有效措施保护好环境。此外，人口数量也应得到控制。由于人口过多，人类需要的生存材料也大大增加，导致了自然界所承受的压力过大。为了更长远地发展，人口的增长速度必须要得到控制。我们都来自自然，把自然界也称为我们的家园，所以我们必须要尽最大的努力去保护它。

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