我的高中数学老师Kath Cloud花了很多时间去寻找我能理解的方式来为我讲授数学，在我到Cloud的班里学习之前，我一直对数学学习很痛苦，是她给了我信心，让我相信自己能够学好数学。
My high school math teacher, Kathy Cloud, took the time to explain math to me in a way I could actually understand. I’d struggled with math until I got in Cloud’s classes.
旅游企业尝试保持业务的另一方式是，推出比之前提前时间早许多的提前预订折扣，包括了夏秋旅游旺季折扣价格。
Another way companies are trying to lock in business is to offer discounts on advance bookings far earlier than they used to, including peak summer and fall travel periods.
Cofelt质疑时间是否充足：相对于在编码之前以粗略的方式验证某些想法，以可工作的范例来验证想法这种敏捷的方式是否总能胜出？
Cofelt asks if this is enough - does the agile approach of using a working example to validate ideas always truly outweigh doing some validation with rough sketches before committing to code?
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