One out of every 25 children was conceived in a test-tube in some countries. Why aren't we worried?
One out of every 25 children was conceived in a test-tube in some countries. Why aren't we worried?
在有些国家，每25个儿童中就有一个是通过试管受孕的。我们为什么不对此感到焦虑呢？
One out of every 25 children was conceived in a test-tube in some countries. Why aren't we worried?
在有些国家，每25个儿童中就有一个是通过试管受孕的。我们为什么不对此感到焦虑呢？