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1.up to now: until now 直到现在；直到此刻，多用于现在完成时。 英汉互译：直到此刻他仍保持缄默。Up to now he has been quiet.Up to now nobody has been able to work out this problem.
2. content 1)adj. 满足，满意； 2)vt. 使满足;        3)n.目录 4）n. 所含之物;内容;所容纳东西;She is content/satisfied with the job.The content of the book is on Page 1.I will show you the content of my bag.Nothing contents her; she is always complaining.