每年秋天很准时地，俄勒冈州比弗顿的琳达·克伦茨都会感觉自己的大脑罢工了。
Every fall, like clockwork, Linda Krentz of Beaverton, Oregon, felt her brain go on strike.
运动时，放面镜子在前面，单单自己的感觉有时候不很准确，所以这个很重要。
Use a mirror - the feeling of motion you get while exercising can be very deceptive, so this is important.
运动时，放面镜子在前面，单单自己的感觉有时候不很准确，所以这个很重要。
Use a mirror - the feeling of motion you get while exercising can be very deceptive, so this is important.
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