假定有两个家族，家长都是地主，这两位家长每人每年可以积蓄一千泰勒，各有五个儿子。

Let us suppose the case of two fathers of families, both being landed proprietors, each of whom saves yearly 1,000 thalers and has five sons.

youdao

假定有两个家族，家长都是地主，这两位家长每人每年可以积蓄一千泰勒，各有五个儿子。

Let us suppose the case of two fathers of families, both being landed proprietors, each of whom saves yearly 1,000 thalers and has five sons.

youdao