beginning and advanced levels
初级和高级级别
以上为机器翻译结果，长、整句建议使用 人工翻译 。
For language classes, the normal levels are beginning or introductory, intermediate or middle and advanced.
对于语言课程，通常的等级是：初级或入门级，中级和高级。
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An example of this is in the Pilates program at Pixar Animation Studios that I direct we have three levels of instruction, beginning, intermediate and advanced.
FORBES: Timing Is Everything
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