详细解释:conj. 因此, 于是
例句：
The landlady was sent out for a two-hour walk with the dog, no matter what the weather; whereupon the niece and the respectable looking middle-aged man promptly went upstairs. He was as regular as clockwork.无论天气如何，房东太太要带狗出去散步两个小时，这时那侄女便和一个看上去很体面的中年男人上了楼。那人每天也真够准时的。