There are many reasons for student couples' crack-ups, but most lay the blame on the age-old issue of different job opportunities in different places.
大学生情侣分手有很多原因，而首当其冲的便是这个老生常谈的问题，即不同的地方有不同的工作机会。
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In 1889, after a series of crack-ups (in reaction to Theo's marriage or perhaps just too much absinthe?), he spent a year in the asylum at saint-remy-de-provence.
Since it began in mid-2009, the American economy has followed the post-crisis path of expansion already taken by countries emerging from similar financial crack-ups.