综观 WTO协定中的有关条款 ,尽管其在许多方面对国民待遇原则有了重大发展 ,但各领域的发展很不平衡。特别是在国际直接投资领域 ,国民待遇问题实际上还没有被 WTO提上议程。本文认为 ,即使在 WTO体制下 ,有条件的国民待遇仍具有不可改变的属性 Looking at the relevant provisions of the WTO agreement, despite its significant development in many aspects of the principle of national treatment, the development in various fields is uneven. In particular, in the field of international direct investment, the question of national treatment has not actually been put on the WTO by the WTO. This article argues that even in the WTO system, the conditional national treatment still has the immutable attribute