Obviously, such an assumption had to lead to a sexual morality very different from our own.

显然, 这样的设想必定导致绝对异于我们自己的性道德.

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In advocate use condom while precaution is venereal, maintain mental health, establish sexual morality concept.

在提倡使用避孕套预防性病的同时, 保持心理健康, 树立性道德观.

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