我们必须遵守学校的规则。
wǒmen bìxū zūnshǒu xuéxiào de guīzé 。
We must abide by the school's rules.
每个国家都有自己的法律和规则。
měi gè guójiā dūyǒu zìjǐ de fǎlǜ hé guīzé 。
Every country has its own laws and regulations.
请务必仔细阅读活动规则。
qǐng wùbì zǐxì yuèdú huódòng guīzé 。
Please be sure to read the activity rules carefully.