Low profits, the uncertainties of the weather, and farmers' instinctive resistance to change prevented all but the richest and most far-sighted farmers from taking advantage of the new age of machines.
Low profits, the uncertainties of the weather, and farmers' instinctive resistance to change prevented all but the richest and most far-sighted farmers from taking advantage of the new age of machines.
收益低、变化无常的天气和农民们对改变现状的本能抵制都妨碍农民们（早富有和最有远见者除外）充分利用新型机械。