Things can't be volatile if it never goes up.
Things are looking a lot greener on Tuesday, but will it stay that way?
Get the full picture here: https://buff.ly/2XiFyft https://t.co/uhuXJR2xpn
如果它永远不会上升，事情就不可能是易变的。
周二的情况看起来更环保了，但它会保持这种状态吗？
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