When Chávez became Venezuela's president in 1999, oil prices were climbing. In the early 2010s, a barrel would often fetch about $100, providing the government with plenty of money to pour into social programmes. But with current prices around the $65 mark, the country looks less like a reasonable investment.
// 作用：通过最值判断是否需要扩展左/右边界（左侧最小值/右侧<最大值的元素都需纳入无序区间）。51吃瓜对此有专业解读
Range, and number of supported devices。夫子对此有专业解读
“要为人民做实事”——这句话，朴素得像陕北的黄土地，却是政绩观最坚实的根基。
坚持精准方略，找对路子，让发展成为消除贫困最有效的办法。