It is sometimes useful to consider "run," "runner," "running," and "runs" as related words and find all of them instead of trying to match each word individually.

将 "run"、"runner"、"running"和 "runs"当作相关词汇来考虑而将他们全部找到，而不是试图单独搜索符合条件的每个词语，这种做法有时非常有效。