1. The infected farmworker had recently returned from Mexico and has since recovered. 受感染的农场工人近日已从墨西哥城返回并已经康复。
2. There, agricultural output per farmworker was the lowest in the world during 1980-2004, growing by less than 1% a year, compared with over 3% a year in East Asia and the Middle East. 1980-2004年间,非洲每个农业工人的农业产量是全球最低的,每一年增加不足1%,而在东亚和中东则跨越3%。