Let me tell you about Saima. 我要告诉你们赛玛的故事。 She lives in a small village outside Lahore, Pakistan. 她住在拉合尔市外的一个小村子，在巴基斯坦。 And at the time, she was miserable. 她当时悲惨到家了。 She was beaten every single day 每一天
Four hundred parts per million: that's the approximate concentration of CO2 in the air today. What does this even mean? 百万分之四百：这就是现在空气里二氧化碳大概的浓度。这意味着什么呢？ For every 400 molecules of carbon dioxide, we
Self-awareness is important. We need to know our good and bad points. It's the best way to improve. We should examine ourselves. We should know who we are. That's what true knowledge is. Here are my s
