追上去的第二個動作
這一家直接就是核心畫面：前面做了一件事，後面再做一件來確認或推進。差別只在這個第二步長什麼樣子——一封信、一次回診，或球場上補的那一腳。
noun · B2
Something you do after an earlier action, in order to check that it worked or to take it further.
後續動作／追蹤
核心畫面
Something happens first: a visit, a meeting, a shot at goal, a record. Then someone goes after it with a second thing that is tied to the first — checking it, adding to it, or carrying it on. A follow-up is that second thing. It never stands on its own; whenever you meet the word you can point back and ask what it followed, and there is always an answer.
可以想成先有第一件事：一次看診、一場會議、一次射門、一張專輯。接著有人再補上第二件事，而這第二件事是跟著第一件來的—…更多收起
可以想成先有第一件事：一次看診、一場會議、一次射門、一張專輯。接著有人再補上第二件事，而這第二件事是跟著第一件來的——去確認、去補強，或是把它接下去。follow-up 就是那第二件。它從來不會自己站著。每次看到這個字，你都可以往回指一句「它跟的是哪一件」，而且一定指得到。From the word’s history
The noun comes straight from the phrasal verb follow up, according to the Wiktionary entry in the evidence packet, which labels it "Deverbal from follow up."
這個名詞直接從動詞片語 follow up 變來的。證據包裡的 Wiktionary 條目就寫著 Deverbal from follow up，意思是把那個動作整個拿起來當名詞用。所以它天生就帶著「跟上去」的方向感。
Wiktionary entry for follow-up (noun), etymology_text: "Deverbal from follow up." — supplied in this evidence packet, source_ref kaikki:3f6f69a190036ae4:1448029476:9192
Two branches
接在前一部後面的作品
一樣是第二件事，只是這次的第二件是一個作品而不是一個動作。它要接的不是流程，而是同一個題目、同一批人物。
noun · B2
A book, film, album, article or similar work that comes after an earlier one and carries on the same subject, story or characters.
續作／後續報導