转折让步关系： but, however, yet, on the contr ary, by contrast, on the oth er hand, unfortunately, while, whereas, unlike, rather than ,instead of, i t is true that,of course,although, though, even though, even if, nevertheless, despite, in spite of
时间关系：afterwards, at first, at last, finally, first, firstly, in the first place, to start with，in the mean time, last, later, next, second, secondly , then, third, thirdly, to begin with以及一些具体的时间。
雷达卡
发表于 2020-9-17 16:05:22
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千斤顶
