一天夜里，毕业生DAN GREENBERG坐在餐桌旁，决定和另一个教师助理进入应用程序游戏里。
DAN GREENBERG was sitting at the kitchen table one night when he and another teaching assistant decided to get into the app game.
志愿者一般提供劳动，做教师或者在健康中心做助理。他们还可以做研究工作。大学生可以通过这些获取工作效率研究学分。
Volunteers generally provide labor and do things like teach and assist at health centers. They can also do research. College students can earn work-study credits.
他们可以监督和协调其他幼儿教育工作者和幼儿教师助理的活动。
They may supervise and coordinate the activities of other early childhood educators and early childhood educator assistants.
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