主題:恩格爾係數


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https://docs.google.com/viewer?a=v&q=cache:gjGpStmgD3oJ:senior.cyhs.tp.edu.tw/sentech/business/paper/%25E6%25B6%2588%25E8%25B2%25BB%25E8%25A1%258C%25E7%2582%25BA%25E7%259A%2584%25E7%25A0%2594%25E7%25A9%25B6.doc+&hl=zh-TW&pid=bl&srcid=ADGEESiEtnoSNT23XXjbLActpBB8FeMSo8Qek2ORuMFtsLNVBQTZ_aHtBO4Szm9TPYn15rxpHma1u5DjOfAHH4QHGAx4SnkF025crhOP250ngNhhwOd0EUHo_yszyG78Zsd2fRnehHn2&sig=AHIEtbQMdE-SRg1TtnK-C5kuG6G6qM9eGg

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