The primary driving factor in the change, he says, had to do with the way retailers sell Jobe's outdoor products. 主要驅動(dòng)因素的變化，他說(shuō)，需要做的方式與零售商出售喬布的戶(hù)外產(chǎn)品。
Irrational human activities seem to be the main driving forces for the desertification expansion and significant changes of landscape patterns. 不合理的人類(lèi)活動(dòng)是荒漠化擴展及景觀(guān)格局發(fā)生顯著(zhù)變化的主要驅動(dòng)因素。
