(@buy @sell )
%100
+0
+42
[@main]
ӭ٣ʲôҪҰæ\ \
 </@buy>ҩ\
 </@sell>ҩ\
 < /@exit>\
[goods]
ǿЧҩ            500       3
ǿЧħҩ            500       3
ҩ            3000       3
ħҩ            3000       3
ǿЧ̫ˮ   	       800	   3