That may become an essential talent, it occurred to Ziska, given the way our planet is going.
他进而想到，考虑到我们这个星球目前的变化趋势，这也许会变成一种必需的能力。
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"When you change a resource in the environment," Ziska said recently, sitting in his compact office, "you are going to, in effect, favor the weed over the crop."