维尔德解释说，避免引起小孩对这种自然现象感到羞耻其实是很重要滴。
Wilder says it's important thing to avoid shaming the child for natural behavior. .
即使这种计时方法在细节上是新颖的，早期的农业社会也将时间与自然现象联系在一起。
Even if this method of timekeeping is novel in its particulars, early agricultural societies also connected time to natural phenomena.
Sweet详细阐述道：dna是生物信息的物理化体现，这种生物信息仅是一种自然现象。
Mr Sweet reasoned that DNA represents the physical embodiment of biological information, and that such biological information is a natural phenomenon.
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