后来
... abandon 放弃 subsequently 后来,随后 approximately 大约 ...
随后
... prominently 显著地;重要地 stubborn 顽固的; 固执的 subsequently 随后,接着 ...
In mathematics, a subsequence is a sequence that can be derived from another sequence by deleting some elements without changing the order of the remaining elements. For example, the sequence is a subsequence of . They should not be confused with substring which is a refinement of subsequence.