The Internet is a powerful tool for education, but it is not a substitute for the teacher.
可持续性需要大胆的愿景和不懈的执行。
Resilience and adaptability are key in infrastructure development.
领导力意味着今天做出艰难的决定,为了更美好的明天。
当股票有吸引力时,你就买它们。当然,它们可能会跌得更低。我买过12美元的股票,后来跌到2美元,但后来又涨到30美元。