translation.en: The big question, though, that many people are asking, even when they saw this curve, they said, "Well, hang on a minute -- that's great you can slow it down, but can you actually drive it down to zero?"
translation.zh: 然而最大的问题在于， 许多人都在问， 甚至当他们看到了这张曲线图， 他们还会说， 「嘿，等会儿 ﹣ 你能把传播速度减慢， 这很赞， 可是你真的能够把病例数 下降为零吗？」