然而，除非你是个高强度运动员，不然水还是你的最佳选择，无须成本或热量。
However, unless you are a high-intensity athlete, water is still the best option, without the cost or calories.
无须认为患上心脏病就意味着要战战兢兢地生活，只要营养良好，适当运动，减少重大事件对自己的压力，寿命就未必会缩短。
Under circumstances of good nutrition, areasonable amount of exercise and a decrease in the wear and tear of stressful events, lifeexpectancy need not be curtailed.
该算法对摄像机的运动没有约束，且平面模板易于制作，与通常的模板标定算法相比，该算法更灵活—无须匹配图像点。
This algorithm is not stringent to the camera's motion and is more flexible, for it doesn't need matching points between images.
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