The significance of the Black Death is best explained within the context of evolving economic systems.黑死病的重要性最好在不断发展的经济体系中去被解释。
evolve，逐渐形成；the evolving economic systems，不断发展的经济系统
the epidemic was merely an ancillary factor contributing to a general agrarian crisis stemming primarily from the inevitable decay of European feudalism.
流行病是一个辅助因素，导致了农业危机，这个危机起源于欧洲封建主义的衰退。
merely，仅仅；a factor contributing to，导致了，引起了
尽管某工业联盟禁令要求性别平等，但Faue 和Nancy F. Gabin二者都承认 women were marginalized in industrial union。Faue stresses the importance of women's contribution to the development of unions at the community level,Nancy F. Gabin maintains that women workers were able to create a political space within some industrial unions。
rest和balance的区别
The real problem with D is "the rest of the 9 inches". This construction implies that 9 inches is the total.
E.g., Here is $100. Buy gas for your trip, and then use the rest of the $100 to buy food.
"”> Note how this works. $100 is the total. The amount you'll have to spend on food is not $100, but $100 minus $(whatever you pay for gas).
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The significance of the Black Death is best explained within the context of evolving economic systems.黑死病的重要性最好在不断发展的经济体系中去被解释。
evolve，逐渐形成；the evolving economic systems，不断发展的经济系统