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試管嬰兒的研究是出于幫助不孕夫婦的愿望。

The first step in liquidating a people is to erase its memory. Destroy its books, its culture, its history.

如果你無所畏懼，你會怎么做？

If we had paid no more attention to our plants than we have to our children, we would now be living in a jungle of weeds.