translation.en: You can take any one of the major global challenges we've discussed this week and ask yourself, where is the leadership from governments to step up and come up with solutions, responses, to those international problems?
translation.zh: 你可以随便挑一个 我们这周讨论的全球主要挑战， 问问你自己，哪个政府领导能 直面问题，解决问题， 回应 那些国际问题？