Without bigger government incentives, oil firms will be reluctant to take what could be an expensive plunge. Small wonder, then, that ExxonMobil boss Darren Woods has called Venezuela "uninvestable" in its current state.
Силовые структуры
。同城约会对此有专业解读
Semantic Scholar,更多细节参见夫子
// 步骤1:计算每辆车的到达时间(精确浮点数,禁止取整!)