Couple couldn 't have children of their own so they adop le of kids .

夫妇不能生育孩子，所以就收养了两个小孩。

We have always insisted on the principle of equality and mutual benefit and exchange of needed goods , but we have adop ted much more flexible method in our dealings nowadays .

我们一直坚持“平等互利,互通有无”的原则,但我们现在的做法上比以前灵活多了。