Every artist dips his brush in his own soul, and paints his own nature into his pictures.

生物圈是一种具有宇宙特征的行星现象。

Small changes in farming practices can lead to big impacts on global food security.

The cowards never started and the weak died along the way. That leaves us.

积极情绪不是微不足道的奢侈品，而是最佳功能的关键必需品。