大学经常对那些只是出于商业宣传目的而进行捐赠的人予以拒绝，因为这可能影响大学的独立性和传统。
Colleges often say no to those who donate solely for commercial publicity, as it may affect the independence and traditions of the college.
位置独立性：这意味着目的地应该从网络中的任何位置可用。
Location independence: This means that a destination should be available from anywhere in the network.
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