原因非常复杂
The reason is very complex.
以上为机器翻译结果，长、整句建议使用 人工翻译 。
古代湖南人才稀少的原因非常复杂。
The reasons for lack of talents in ancient Hunan are very complicated.
youdao
儿童遗弃的类型和原因非常复杂。
The causes and patterns of child abandonment in China are complicated.
我相信这原因非常复杂也不容易解决。
The reasons for this are complex and not, I believe, easy to resolve.
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