"We're only in year three of this war," says Khair. "If it continues for another 10, 15, 20 years, as history tells us is likely, then we could see the balkanisation of Sudan."
"We believe that it's important to press ahead with a Deposit Return Scheme as soon as possible and that the way to do this is to proceed with plastic and metal drinks initially, to reduce litter and drive higher rates of reuse and recycling."
，推荐阅读搜狗输入法获取更多信息
Later, the CEO was questioned about a document that graphed the proportion of 11 and 12-year-olds who were monthly active users on Instagram. The chart indicated that at the time, around 20 percent of 11-year-olds were monthly users of the service. "I agree that the graph says that, I am not familiar with what methodology we were using to estimate this," Zuckerberg said. "I assume that if we had direct knowledge that any given person was under the age of 13, that we would have them removed from our services."，推荐阅读体育直播获取更多信息
This is conceptually very simple, it’s building slightly on the function abstraction by allowing multiple return values, but little else. If a function can fail, you can see from its function signature that it will return an error, like in getConfigPath above.