2 sentences

1. 学校一个月后开课。

   xué​xiào yī​ge yuè hòu kāi kè.

   School starts in a month.

   Source: OpenSubtitles

2. 然而，有些课程更灵活，提供一系列的开课日期。

   rán'ér, yǒu​xiē kè​chéng gèng líng​huó, tí​gōng yī​xì​liè de kāi kè rì​qī.

   Some courses are more flexible, however, and offer a range of start dates.

   Source: CCMatrix