When communicating in Chinese you may often make mistakes using Chinese grammar like:

False:

    尤其是刚才毕业的大学生，失业是个大问题。

    Yóuqí shì gāngcái bìyè de dà xuéshēng, shīyè shì gè dà wèntí

True:

    尤其是刚毕业的大学生，失业是个大问题。

    Yóuqí shì gāng bìyè de dà xuéshēng, shīyè shì gè dà wèntí.

名词“刚才”指刚过去不久的时间，这里是说“毕业”这种情况发生在不久之前，应改“刚才”为“刚”。

The time noun 刚才 refers to a time in the near past. However, what the sentence implies is that the event of 毕业 took place not long ago. Thus 刚才 should be replaced by 刚.