既是严峻的考验也是难得的机遇
It is both a severe test and a rare opportunity
以上为机器翻译结果，长、整句建议使用 人工翻译 。
对转型期的中国而言，这既是严峻的考验与挑战，也是难得的机遇与磨练。
To China in transition, this is not only a severe test and challenge, but also a rare opportunity and training.
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