Solar City bouncing around a little bit, unchange.

太阳城小幅反弹，股价未有变动。

Unchanging physical laws have limited the size and strength of buildings that can be made with materials discovered long ago.

因物理定律恒定不变，许多早已被发现的建筑材料限制了建筑的大小和有点。

Unchanged the servile glance, now insolent, now dejected.

不变的是奴颜婢膝的眼神，时而傲慢，时而沮丧。