We all worry about our privacy settings on Facebook, but the fact of the matter is, our openness can be used against us. 我们都为我们在Facebook上的隐私设置感到烦恼，但是问题的实际情况在于，我们的坦率可能会被用来伤害我们自己。 Terrorists are doing t
And young people are also telling me that they're worried about employment, that they won't be able to find a job. 年轻人也告诉我，他们担心就业，无法找到工作。 And again, they're right. Every month, 10 million young people
Today, we face an unprecedented surge in the brutal slaughter of iconic animals by poachers. 今天，我们面临着偷猎者对标志性物种前所未有的疯狂杀戮。 In South Africa, for example, one rhino was killed every month until 2005. 比如在南
