translation.en: I will now pause for a moment and let you think about what it would be like if human men, every time they had sex, had to produce something that weighed 50, 60, 70 pounds.
translation.zh: 我且稍息，让在坐的想想： 如果人类的男性每次性交之前 都得先生产一块50、60、70磅 重的东西，会是什么情形？