解释:情绪变化会影响身体生理反应,如贪心时口水增多,悲哀时流泪,体现了情绪与健康的关联。
Success comes from focusing on what you can control and letting go of what you can't.
美国是世界上最强大的国家,在可预见的未来仍将如此。
Every discovery builds on the work of those who came before us.