If the profits are the problem, then the Non-profit could come in and under cut all the and lower the cost to us all.

如果利润是问题的话，可以让非营利机构操作,来减少花费。

斯坦福公开课 - 经济学课程节选

z And what you need to remember is if the z 8 is equal to eight or greater, such as oxygen being the cut-off point, this sigma 2 p orbital is actually lower in energy than the pi 2 p orbitals, the molecular orbitals.

你们要记住如果,等于或者大于，就像O是分界点，这时sigma2p轨道,比π2p轨道能量更低。

麻省理工公开课 - 化学原理课程节选