遵循20／20／20规则：每隔20分钟, 花20秒钟的时间, 将注意力集中于至少20英尺以外的东西。

Follow the 20／20／20 rule：every 20 minutes, focus on something at least 20 feet away for 20 seconds.

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为乔治亚州多数议员所拥护的一项规则是禁止这些人居住在距离学校公车站一千英尺以内的地方。

One rule, championed by Georgia's House majority leader, banned them from living within 1,000 feet of a school bus stop.

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得记住选择居住地的规则- - - - - - - - - - - - - - - - -至少离开现在的沿海地区160公里(100英里)远，高出海拔至少180米(600英尺)。

Just remember the rule when it comes to selecting a location to settle - at least 160km (100 miles) inland from current coastal regions and at least 180 metres (600 feet) above current sea level.

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