补充下列句子。.c3S,Y.t:_8J:k1n
(1)天行健,+V5@*C+t;b2M7~6D5d。.c3S,Y.t:_8J:k1n
(2)莫等闲,5S6K6v*d/m5x7];E5{0t4K;b,b,'y/Y+d3g8W7b;Z)j:y!.c3S,Y.t:_8J:k1n