当前研究测查了一组粤语—英语双语儿童习得宾语省略结构的语际影响。双语儿童在宾语省 略比率上类似粤语单语同伴，但使用了粤语非标准的KEOI结构，这挑战了语际影响的构成条件。这可能是 由于粤英共享句法结构所造成。我们不仅证实了Yip & Matthews(2007)认为的语际影响可自粤语到英语发 生，亦证明了语际影响自英语到粤语亦可能出现。最后，结构易损性取决于各因素的交互，包括语际影响、输 入模糊性、语言接触和其他接口处的语言学要素。

The current study reports on the CLI of object omissions by a group of Cantonese and English bilinguals. Data show that bilingual children resemble Cantonese monolinguals in the rate of object omission, but use the non-standard KEOI structure of Cantonese, which challenges the conditions for the formulation of CLI. This may be due to the shared sentence structure of both languages. The current study not only confirms Yip and Matthews(2007)argument that CLI occurs from Cantonese to English but also from English to Cantonese. Finally, structural vulnerability depends on the interaction of various factors, including CLI, input ambiguity, language contact, and other linguistic factors at the interface.