Study result not previously well, much grown, matured a lot, also become complex.
学习成绩没以前好，长高了很多、成熟了很多、也变复杂了。
Our struggle to change human behaviour has also become more complex.
我们努力改变人类行为的工作也变得更复杂了。
Work specialization is necessary as jobs become more complex and it also increases efficiency.
工作专业化是必要的，因为工作变得更加复杂，而且还提高了效率。
Work specialization is necessary as jobs become more complex and it also increases efficiency.
工作专业化是必要的，因为工作变得更加复杂，而且还提高了效率。
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