这些对进化的最终目标非常重要，即——传宗接代。
All of this is important in evolution's ultimate goal-successful procreation.
仅仅几个月的时间里，杰克从我妻子的小兄弟变成了一个传宗接代的新爸爸。
In just a few months 'time, Jack went from my wife's little brother to a hands-on, first-time father.
因为家里能传宗接代的只有弟弟，他们觉得我家在人丁方面很弱，所以看不起我们。
Because my family was able to procreation only brother, they feel weak in my home in the growing family, so look down upon us.
应用推荐