It's a trend entirely based on vanity, and vanity is not an admirable trait at all.
那完全是种基于虚荣心的倾向，而虚荣并不是一种值得赞扬的品质。
2
To organize doctors' training and use of Aesthetic Lasers product based on the purchasers' request and product trait in hospital. To insure doctors can use Aesthetic Lasers products accurately.
Based on this trait and analytic hierarchy process theory, this paper has proposed the evaluating process of environmental benefit from rainwater utilization.