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.
1 & x_1 & x_1^2 \\
，这一点在Line官方版本下载中也有详细论述
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不因事小就视而不见，不因任务艰巨就退缩不前，不因目标长远就消极懈怠。