阶梯式倍投3期方案是什么

简介：The two cargo ships undergoing customs declaration are all loaded with grain and rice. According to the regulations of the Lijin Bureau, grain and rice are exempt from tax. As long as the ship does not carry other goods that require tax, it can be released directly. After the grain and rice ship, there will be grain and rice. There were more than a dozen cargo ships passing through customs in a row, and all of them were loaded with duty-free grain and rice.