他说，10％的美国人和50％的最低收入阶层，没能摄入足够量的叶酸。

Ten percent of Americans and half of people in the lowest-income brackets, he said, have levels low enough to be concerned about.

youdao

1996年，3595万个家庭处于最低收入阶层(每月收入等于或低于204元)。

In 1996, 35.95 million households were in the lowest income bracket (with a salary of RMB 204 or less per month).

youdao

在该城市的收入总额中，最富裕的10%人口占据了三分之一，而10%最低收入阶层仅占到了2%。

The wealthiest 10 per cent of people share more than a third of the city's total income while the bottom 10 per cent account for just 2 per cent.

youdao