如果你想做点什么，他们的员工没有太大的积极性去帮助你，因为他是为政府工作的。
If you want something to be done, then their staff do not have so much incentive to help you because he's a worker for the government.
其它的极性固体，我们在后面会讲到这一点。
Other polar solids, we will have to come back to that later.
磁性被定义为极性的，水晶能量是非极性的——零点！
Magnetics are by definition polar. Crystalline energy is non-polar, zero point!
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