person of the physiological need, then the safety, love and belonging needs, esteem needs and self-actualization. Therefore service industry is the first area choice to authors. Service industry is not the only potential industry, but also it is a high -profile industry (Fuchs, 2008). First, the elderly group as one of the vulnerable groups, because some countries have not complete protection policy of aged people. Second, authors consider China is emerging market. The market has more percentage…
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