...raphically,north,south,east,west;compare and contrasts;our side versus their side;negative and positive; 要有一个结构：可以分一二三点；可以从地理上分东南西北；比较与对比；我方与他方；正面与反面； To label the materials such as jokes,funny ...
Tohaveastructure: such as first, second, third; geographically, north, south, east, west; compareandcontrasts; our side versus their side; negativeandpositive;