Most adoptees have mixed feelings about finding their biological parents.
大多数被收养者对于找到自己的亲生父母有着复杂的感情。
2
As a matter of fact, it is often very difficult for adoptees to find out about their birth parents because the birth records of most adoptees are usually sealed.
事实上，被收养者往往很难找到他们的亲生父母，因为大多数被收养者的出生记录通常是被封存的。
3
Both groups performed to the same level before training, but after training the international adoptees exceeded expectations.