true，wonderful，excellent，strange to say，most important of all, sure等
Strange to say, he doesn’t receive my birthday gift.
indeed，or rather，frankly，personally, surely，fortunately，otherwise，honestly, probably
You'd better give me my book, otherwise I'll fail my test.
in addition，in one’s opinion, in general, in a word，for example， as a result，on the contrary, on the other hand，as a matter of fact
His wife is my daughter, in other words, I am his mother-in-law.
Strictly speaking, considering, talking of, judging by, judging from
Judging by her clothes, she may comes from the Northern part.
To be frank, to tell you the truth, to sum up, to start with
To sum up, because of various favorable conditions that we enjoy, there is no doubt that we will be able to catch up with the advanced countries.
I’m afraid, I think , I believe, this is to say, as we know , believe it or not，it seems,what’s more
Some animals are half-hibernate, that’s to say their sleep is not so deep.