较小头头的主要生活来源，是占据一个小职位，收点贿赂。

The chief source of livelihood of lesser dignitaries was petty office and graft.

youdao

十八世纪末，农业劳作是约90%的美国人的主要生活来源。

At the end of the eighteenth century, approximately 90 percent of the American people earned a major portion of their living by farming.

youdao

十八世纪末，农业劳作是约90%的美国人的主要生活来源。

At the end of the eighteenth century, approximately 90 percent3 of the American people earned a major portion of their living by farming.

youdao