r. by reasonable assumption
adv. 推测上, 大概
1. She is late, presumably because of traffic.
她迟到了,可能是因为交通堵塞。
2. He has not replied to my message, presumably he is busy.
他没有回复我的消息,可能是他很忙。
3. Presumably, they will finish the project by next week.
他们预计会在下周完成这个项目。