This involves designing more accurate and comprehensive language assessments to better understand students' language proficiency and progress.

这涉及设计更准确和更全面的语言评估， 以更好地了解学生的语言能力和进步。

They offer comprehensive language courses for students of all levels, and they have a reputation for being one of the best language schools in the city.

他们为各个级别的学生提供全面的语言课程，并享有该市最好的语言学校之一的美誉。