glass-half-full是什么意思?

glass-half-full是什么意思? the glass is always half full always try to see the glass half full翻译中文是什么意思 is the glass half empty or half full? The glass was always half full,not half empty. 为什么glass half full 和glass half empty有乐观和悲观的意思? Always try to see the glass half full是什麼意思 I try to be positive,I'm a glass half full as oposed to glas 翻译My father taught me to always look at the glass half full Is your cup half empty or half full ?这句话是什么意思 glass是什么意思 glass是什么意思?