Reinforcement is the central factor in the acquisition of new behavior patterns.

农业不仅仅是一个行业，它是人类的生命线。

The destiny of a nation is determined by its people.

We must build a world in which there shall be no economic domination.

Free trade enables the most advantageous distribution of the national produce and revenue.

爱是唯一在我们分享时会增长的东西。