Seven was another significant number, usually regarded as a bringer of good luck.
7是另一个重要的数字，通常被认为会带来好运。
Western country people regard seven as a numeral that signifies perfection, luck and happiness.
西方人认为“七”表示完美、吉祥、幸福。
Good luck on my history midterm in seven hours.
再也不想抱怨学习了。我要好好把握时间。
Good luck on my history midterm in seven hours.
再也不想抱怨学习了。我要好好把握时间。
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