因为在自然状态下这是不可能的。
本研究在自然状态下进行，对锻炼者不采用任何干预措施。
This study is in the state of nature without any intervention.
首先客观而显而易见的是：黄金在它的自然状态下是黄色的。
The first should be fairly obvious: gold, in its natural state, is yellow.
首先客观而显而易见的是：黄金在它的自然状态下是黄色的。
The first should be fairly obvious: gold, in its natural state, is yellow.
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