翻译：中国经济正在经历从劳动密集型向智力密集型的转变。
1) China is experiencing a shift from a labor-intensive economy to a knowledge-intensive economy.
2) The Chinese economy is undergoing a shift from brawn to brain.
场景：这个微笑标志着他对他父亲的态度有了重大的转变。
The smile marked a significant shift in attitudes to his father.
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