translation.en: Fortunately, we found out that if you go kill the sand flies, you probably can have success there, but we spent five years, you could say wasted five years, and about 60 million, on a path that turned out to have very modest benefit when we got there.
translation.zh: 幸运的是，我们发现如果杀死沙蝇， 就很有可能会成功， 但我们花了五年时间， 可以说是浪费了五年， 并且浪费了约6000万美元， 在我们实现目标后，发现取得的成效平平。