translation.en: He and his brother run the largest beekeeping operation in the world, and the USDA is integrating their mite-resistant bees into his operation with the hope that over time, they'll be able to select the bees that are not only mite-resistant but also retain all of these qualities that make them useful to us.
translation.zh: 他和他的兄弟经营着世界上规模最大的养蜂活动， 而美国农业部正将自己的 抗螨蜜蜂整合到他的蜜蜂中去， 并希望经过一段时间， 他们能选育出一些不仅抗螨， 而且还保有那些对我们有用的特质的蜜蜂。