ECP

The constraints concerned here are two UG principles — Subjacency and Empty Category Principle (ECP).

这限制条件指是承原则和空范畴原则。

The two main principles of the theory adopted in this paper are the Subjacency condition and the ECP, which will help us to know better of the idea we are introducing here.

本文认为汉语并不存在和一般生语法文献所论应代词相同现象，进而帮助我们深入认识汉语某些句法性质。