Monday, December 06, 2010

　 　 　　

壓力好大

　　

Sunday, April 18, 2010

　 　 　　

私が見たもの

　　

Saturday, April 17, 2010

　 　 　　

How can you be happier at work?

　　

Tuesday, April 06, 2010

　 　 　　

IS-LM模型

　　
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