translation.en: They succeeded in breeding mite-resistant bees, but in that process, those bees started to lose traits like their gentleness and their ability to store honey, so to overcome that problem, these researchers are now collaborating with commercial beekeepers.
translation.zh: 他们成功地培育出了抗螨虫的蜜蜂， 但在这个过程中，这些蜜蜂也开始失去一些特性， 比如它们温顺的性格 以及储存蜂蜜的能力， 因此为了克服这个弊端， 这些研究人员正与商业养蜂人进行合作。