The welfare system is grossly inequitable and inefficient.

福利制度非常不公平，效率也极低。

It is inequitable in the world.

这个世界是不公平的。

This is inequitable to Keynesia.

这对凯恩斯是不公正的。

More often, though, bubbles are inequitable.

但更多情况下，泡沫是不公平的。

Although feel very inequitable, but of the fact is such really.

虽然觉得很不公平，但事实的确实是如此。