Then I have three pointmasses and that makes my life a little easier.
我有三角的整体物质,这样生活轻松点。
2
So you have three pointmasses, and they are connected with massless rods.
你们有个三角物体,它们由无质量棒相接。
3
The point is that individual consumer preferences are often shaped not entirely by the individual, but by the collective preferences of the masses, and by the status quo in the marketplace.