Be thankful for what you have ; you'll end up having more . If you concentrate on what you don't have , you will never, ever have enough .

對于你所擁有的，要心存感激，這樣便能擁有更多。若對你所沒有的念念不忘，那永遠也無法滿足。 --奧普拉·溫弗瑞

語言點：concentrate on 意思是集中精力于,可直接接名詞concentrate on sth 或接動詞ing concentrate on doing sth 或 concentrate one's effort on sth/doing sth

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