Is this glass half empty or half full? Photo: Francois Lenoir/Reuters
Some of the earliest known glass objects are from ancient Egypt and date back to 1350BC. The ancient Romans first developed transparent glass as this allowed them to see and admire the colour of their wine.
人类最早发现的玻璃器皿来自古埃及，可追溯到公元前1350年。古罗马人研发出了透明玻璃，之后做出了透明玻璃杯以供他们来鉴别和欣赏酒的颜色。
今日短语
当你看到一个杯子里有半杯水，你会说这个杯子是 half full 还是 half empty 呢？你的选择将显示你的性格取向和世界观。如果你说 the glass is half full, 那么你就是个乐观主义者；如果你选择 the glass is half empty, 那你应该是个相对比较悲观的人。
例句
He's a glass half full kind of person, he always see challenges as opportunities.
Is your glass half full or half empty?
Billy never gives up. Even when he lost his shoemaking business he saw the glass as half full, and started a newer, more successful one.
请注意
如果你透过 rose-tinted glasses 粉色墨镜来看一个人或物，这就意味着你只看到这个人或物好的一面，而没有看到不好的一面。
Anna's new boyfriend is good looking, but not a nice person. She can't see it, though, she just sees him through rose-tinted glasses.
