Here is a chart that just shows the positive energies, and you can see the various components, and then the negative energies and the net.

这是展示正能量的表格，你可以看到不同的成分，负能量和总能量。

麻省理工公开课 - 固态化学导论课程节选

The next slide shows the farm, same farm and its surroundings in 1998, so you can see that a lot has happened here.

接下来这张幻灯片展示的,是1998年的这个农场的周边,你可以看到发生了很大的变化

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选