As a developing country, South Africa has also made great efforts in environmental protection.
作为发展中国家，南非在环保方面也做出了巨大努力。
However, especially in the developing country, the child labor problem still puzzles the human society.
但是，尤其在欠发达国家，童工问题仍困扰着人类社会。
However, especially in the developing country, the child labor problem still puzzles the human society.
但是，尤其在欠发达国家，童工问题仍困扰着人类社会。
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