Confidence isn't optimism or pessimism, and it's not a character attribute. It's the expectation of a positive outcome.
信心不是乐观或悲观,也不是性格属性。它是对积极结果的期待。
I don't let anyone take away my joy.
通货膨胀是一种货币现象,但也受到实际因素的影响,比如经济中供需的平衡。
The world is a stage, but the play is badly cast.
计算机科学中的挑战不仅仅是解决问题,而是找到正确的问题来解决。