And what are some of the obstacles to sustain high growth? Some questions are... we are going to look at today.

又有哪些因素可能阻碍其经济的,高速增长？今天我们会。,讨论相关的问题。

普林斯顿公开课 - 国际座谈会课程节选

I think one of the biggest obstacles for Korean students in English is articles "a", "an" and "the".

我认为在英语方面对韩国学生来说最大的一个障碍就是冠词"a", "an" 和 "the"。

韩国人经常犯的失误 - SpeakingMax英语口语达人