同学问礼仪：同学之间的深厚友谊是生活中的一种团结友爱的力量。
Classmate ask etiquette: classmate the deep friendship between is the life of a kind of unity and friendship among power.
同学问礼仪：同学之间的深厚友谊是生活中的一种团结友爱的力量。
Classmate ask etiquette: classmate the deep friendship between is the life of a kind of unity and friendship among power.
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