Control from the bottom up.

由下而上的控制。

We need to do this from the bottom up.

我们需要自底向上来做这件事。

All of these layers depend on each other from the bottom up.

所有这些层自底向上彼此依赖。

Allow genuine emissions markets to evolve from the bottom up.

让真正的排放市场自下而上发展。