2010年12月25日，在苏丹的Juba，一名年轻的苏丹女子向圣特丽莎大教堂内望，那里正在举办圣诞弥撒。

A young southern Sudanese woman looks into St. Teresa's Cathedral, where Christmas mass is being held, in Juba, Sudan on December 25, 2010. (REUTERS/Goran Tomasevic)

youdao

主日和当守的瞻礼，不望弥撒，有大罪没有？

Is it a mortal sin not to participate in Mass on Sundays and holydays of obligation?

youdao