藥帶出來的另一種作用
最具體、最常遇到的一支：箭是藥效，旁邊被碰到的是身體的其他反應。
noun · C1
A change in your body that a medicine causes as well as the effect it is meant to have. Side effects are usually unwanted ones, such as feeling sleepy, feeling sick, or getting a rash.
副作用
核心畫面
You can think of an action as an arrow aimed at one target: the medicine is aimed at the cough, the new rule is aimed at one problem, the function is aimed at one answer. The arrow usually hits. A side effect is whatever else got moved along the way, off to the side of the line the arrow travelled. Nothing in the picture says that extra thing is bad — only that nobody was aiming at it.
可以想成一支瞄準目標射出去的箭：藥瞄準咳嗽，新規定瞄準一個問題，一段程式瞄準一個答案。箭多半會射中。而在那條線的旁邊…更多收起
可以想成一支瞄準目標射出去的箭：藥瞄準咳嗽，新規定瞄準一個問題，一段程式瞄準一個答案。箭多半會射中。而在那條線的旁邊，被順手碰到、也跟著動了的東西，就是 side effect。畫面裡沒有說那樣東西是壞的，只說沒有人瞄準它。這也是為什麼英文可以講 a happy side effect。Two branches
做一件事順便冒出來的結果
同一支箭的畫面搬離醫療：射出去的變成一個決定、一條規定、一段程式。
noun · C1
A result of an action, decision, or event that nobody planned or expected, and that happens alongside the main result. It can be a good result as well as a bad one.
附帶的影響