hurdle

中国学生申请赴美留学面临的一大障碍是托福考试。 

A big hurdle that Chinese students who wish to study in the US face is TOEFL. 或 To get admitted to US colleges, Chinese students have to clear a difficult hurdle: TOEFL, an English language proficiency test.

科技跨越基建障碍

And as the economic emergence continues, it will benefit more and more from new technologies that will allow it to leapfrog communication and infrastructure hurdles.

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