翻译:
教授的航班又晚点了,大概是恶劣的天气所致吧。
The professor's flight was late again, presumably due to the bad weather.
(参考翻译:The professor's flight was delayed again, presumably because of the bad weather. 或 Presumably, the bad weather delayed the professor's flight.)
场景:她不想起床,大概是心情不好。
造句:She doesn't want to get up, presumably because of her bad mood.