学习本质上是刺激-反应连接的问题。
The energy transition is not just about switching from fossil fuels to renewables. It's about providing more energy with fewer emissions.
释义:无论是贤能还是平庸的人,一旦进入朝廷就容易遭到嫉妒;无论是美丽还是平常的女子,一旦进入后宫就容易遭受妒忌。