嗨！小朋友，你应该知道什麽是电视分级制。
Hi, boys and girls, you should know what is the TV rating system.
许多学校实行了教授分级制，教授分级制的初衷或许在于激励教授们勤勉于学、励志于事。
Many universities have put into practice the professor rank system, whose original aim lies in encouraging professors to study and work diligently.
但是，游戏产业先发制人，Dyson说，创建了娱乐软件分级制度，例如给一些游戏评为E级，代表老少皆宜的游戏。
The video game industry responded, Dyson says, and in a preemptive move created the Entertainment Software rating Board, which generates game ratings such as "e for Everyone."
但是，游戏产业先发制人，Dyson说，创建了娱乐软件分级制度，例如给一些游戏评为E级，代表老少皆宜的游戏。
The video game industry responded, Dyson says, and in a preemptive move created the Entertainment Software rating Board, which generates game ratings such as "e for Everyone."
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