An after-effect is a result that stays on after the first thing has finished — and when people use this word, they usually mean a bad result. A strong flu can have after-effects: you are still tired weeks later. Medicine, an operation, a crash, or a shock can leave after-effects too. You will see it in doctors' English and in the news.

An after-effect is是 the first thing最初那件事 has finished結束 after之後 stays on還留著的 a result一種結果——and when people use this word而當人們用這個詞時，they usually他們通常 mean指的是 a bad result不好的結果。A strong flu一場重感冒 can have可能留下 after-effects：weeks later幾週後 you你 are still tired還是很累。Medicine藥物、an operation手術、a crash車禍 or a shock或一場驚嚇 too也 can leave都可能留下 after-effects。in doctors' English在醫生的英文 and in the news和新聞裡 You will see it你會看到它。

People sometimes stretch it to any leftover result, not only a harmful one, but a pleasant leftover taste is more often called an aftertaste. You may see after-effect with a hyphen or aftereffect as one word; both are used.

People人們 sometimes有時 stretch it to把它延伸到 any leftover result任何留下來的結果，not only不只是 a harmful one有害的那種，but但 a pleasant令人愉快的 leftover taste餘味 more often比較常 is called被稱作 an aftertaste。You may see你可能會看到 with a hyphen帶連字號的 after-effect，or或 as one word連成一個字的 aftereffect；both兩種 are used都有人用。

Though actually, After Effects with capital letters is the name of a computer program for video. That is a brand, not this noun, and it confuses students all the time.

Though actually不過其實，with capital letters開頭大寫的 After Effects is是 for video處理影片的 a computer program一套電腦軟體 the name of的名稱。That那 is a brand是品牌名，not不是 this noun這個名詞，and it而它 all the time常常 confuses students把學生搞混。