A good rule of thumb is to replace your running shoes every 300 to 400 miles, depending on your running style, body weight, and the surface on which you run.

在一个好的经验是，每300到400英里时，就更换你的跑鞋，这也取决于你的跑步方式，体重，以及在什么地方跑步。

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As a general rule, it's best to consume one gram of protein for each pound of body weight.

根据一般规律，每一磅的体重刚好消耗1克的蛋白质是最合适的。

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The confidence describes the percentage of times a body of the rule occurs in a transaction and the head also occurs.

confidence描述了规则的主体和头在交易内同时发生次数的百分比。

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If teens are swimming in a natural body of water like a lake or river, they should use the rule "feet first, first time" to prevent spinal injuries.

CNN: Water safety expert: 'Drowning doesn't just happen'

Europe's governing body is keen to introduce a rule preventing the international transfer of players under the age of 18 after member associations, clubs, leagues and players agreed to the principle at a March meeting.

BBC: Man Utd deny 'stealing' youngster

The FIA, world motorsport's governing body, on Wednesday upheld the fine but called for a review of the team orders rule.

BBC: F1 supremo Bernie Ecclestone makes team orders hint