当你在英国旅行时，你一定不能错过温莎城堡的参观，那里是1000多年以来英国国王和女王的家。
When you travel in England, you can't miss the visit to Windsor Castle, the family home to British kings and queens for over 1,000 years.
评论家们似乎预设伟大的文学作品对读者来说一定是某种负担；外行人一定很难理解。
Critics seem to presuppose that great literature must be somehow burdensome to the reader; it must be difficult for the uninitiated to understand.
我们下来的时候，遇到了有两个小女孩的另一家人，他们一定就在我们后面。
When we were coming down, we met another family with two young girls, who must have been just behind us.
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