Gmat
abbr. 格林尼治天文平时（Greenwich mean astronomical time）；研究生管理专业入学考试（Graduate Management Admissions Test）
🗣️ 情景例句
No, these are only personal effects.
没有，这只是些私人用品。
What does it matter?
有什么关系？
and then there are three thousand million other Milky Ways, or galaxies, in the universe.
况且在宇宙中还有30亿个天河，即银河系。