translation.en: And this is the second year in a row we have lost over 30 percent of the colonies, or we estimate we've lost 30 percent of the colonies over the winter.
translation.zh: 而且这才是第二年我们就已经损失了超过30%蜂群， 或者我们看成在一个冬天内我们损失了30%的蜂群。