translation.en: The scope of solutions that we discuss is actually pretty broad, but that reflects both the range of challenges that need to be met and the kinds of innovations that will allow us to do so.
translation.zh: 事实上，我们讨论解决方案的范围很广， 这既反映出了需要面对的挑战 也反映了出了允许我们去那样做的种种新观念