善导大师的修行窍诀恭敬修、无余修、无间修、长时修（master+shandao+practice+pith+respectful+repair,+no+more+than+repair,+repair,+repair+without+a+long+time）

善导大师的修行窍诀恭敬修、无余修、无间修、长时修（Master Shandao practice pith respectful repair, no more than repair, repair