维持增值税链条。
We can resolve these problems only by improving the integrality of VAT chain.
只有通过提高我国增值税链条的完整性，才能从根本上予以解决。
In chapter three, the author compares other country's VAT chain in five aspects and summarizes the international experience in improving the integrality of VAT chain.
本章对各国增值税链条完整性的五个方面进行比较分析，总结了增值税链条趋向完整的国际经验。
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