北欧国家生于1950年末最贫穷的五分之一的儿子们中的四分之三在他们40岁时都已经跳出了那一圈。

Around three quarters of sons born into the poorest fifth of the population in Nordic countries in the late 1950s had moved out of that category by the time they were in their early 40s.

youdao

北欧国家生于1950年末最贫穷的五分之一的儿子们中的四分之三在他们40岁时都已经跳出了那一圈。

Around three quarters of sons born into the poorest fifth of the population in Nordic countries in the late 1950s had moved out of that category by the time they were in their early 40s.

youdao