Researchers say planting and protecting will be needed to make sure cities can develop healthily, but more needs to be done to have a better understanding of city trees which may be different from countryside forests.
研究人员表示，为了确保城市健康发展，种植和保护树木是必要的，但我们还需要做更多的工作来更好地了解城市树木，因为它们可能与乡村森林不同。
How to promote them to develop healthily?
如何才能促使他们健康成长？
There are 367 million children in our country and whether they can develop healthily is always the biggest concern of the whole society.
我国有3.67亿少年儿童，少年儿童如何健康成长一直是全社会关注的重要问题。少儿出版是为少年儿童生产健康文化食粮的重要阵地。
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