P or --policy: This command sets a default target, i.e. policy, for a chain.
P或 --policy ：该命令设置链的缺省目标，即策略。
Pro Welcome bag shop have spot default hair through Yuantong express, delivery at five p. m.
亲欢迎光临小店包包都有现货默认发中通圆通快递，下午五点发货。
Pro Welcome bag shop have spot default hair through Yuantong express, delivery at five p. m.
亲欢迎光临小店包包都有现货默认发中通圆通快递，下午五点发货。
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