第四部分，完善我国税收优惠管理的设想。
The fourth part, analysis the envisages of improve our tax preferences management.
第三部分，国外税收优惠管理的经验及借鉴。
The third part, introduce the foreign tax preferences management experience and reference.
第二部分，我国税收优惠管理的现状及存在的问题。
The second part, analysis the status and existing problems of the China's tax preferences management.
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