学习的本质是意义的获得。

今天我们开采的石料必须留下让未来引以为豪的遗产。

基因编辑的伦理影响必须在每一步都得到考虑。

The key to sustainable economic development is the continuous improvement of human capital through education and innovation.

The minerals we extract today must serve the needs of future generations as well.

美国农业面临的最大危险是家庭农场的消失。

"You can't go back and change the beginning, but you can start where you are and change the ending."

I think it's important to take risks in filmmaking.

采矿技术的创新将是该行业在下个世纪保持活力的关键。