如果你经常跑步，很可能会知道并遵守安全规则，如很重要的一点——跑步要迎着车流来的方向。
If you're a runner, you probably know and follow safety rules, such as the importance of running against traffic.
如果你经常跑步，很可能会知道并遵守安全规则，如很重要的一点——跑步要迎着车流来的方向。
If you're a runner, you probably know and follow safety rules, such as the importance of running against traffic.
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