例句與造句

1. Richard rice and jared hardner have collaborated on economic studies of biodiversity conservation in south america , africa and asia for the past 10 years
   萊斯與哈德尼已經(jīng)合作10年，對(duì)南美洲、非洲及亞洲生物多樣性的保育進(jìn)行經(jīng)濟(jì)研究。
2. It's difficult to find hardner in a sentence. 用hardner造句挺難的