For the purpose of this post, we need a reasonable number to start, so we'll use the Numbers in Figure 2. Your mileage will vary.

为了阐明这篇文章的目的，我们需要从一个合理的数字开始，所以我们将使用图2中的数字，每个人花费的时间可能不尽相同。

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The extra pounds people are packing on their waistlines might be offsetting gains in gas mileage, according to a blog post from the insurance company Allstate.

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She also started competing in Spark's online 5K and 10K races where users post their real-life mileage.

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