Emotions are biological signals that prepare the organism for action.
情绪是为机体行动做准备的生物信号。
"The best time to plant a tree was 20 years ago. The second best time is now."
煤炭的可持续未来取决于我们能否在不牺牲依赖该行业的人的生计的情况下整合更清洁的做法。
你停止学习的那天就是你停止成长的那天。