To randomize is to let chance decide who or what goes where — on purpose, because a fair test needs that. In a medical trial, you do not let the doctor pick the groups; a computer or a chance method does, so one group is not quietly healthier than the other.

To randomizerandomize is to let chance decide who or what goes where就是讓機會來決定誰或什麼東西被分到哪裡——on purpose這是故意的，because a fair test needs that因為公平的測試需要這樣。In a medical trial在醫學試驗裡，you do not let the doctor pick the groups你不會讓醫生自己挑分組；a computer or a chance method does而是電腦或隨機的方法來決定，so one group is not quietly healthier than the other這樣才不會有一組人偷偷比另一組健康。

Scientists, doctors, and people who work with numbers use the word; it feels technical, not chatty.

Scientists, doctors, and people who work with numbers科學家、醫生，還有跟數字打交道的人 use the word會用這個字；it feels technical, not chatty這個字感覺很技術性，不是隨口聊天會用的。

Though actually, everyday English stretches it: people randomize a playlist or a seating list, meaning they shuffle it. That looser use is real, but the careful meaning is the test meaning: chance used as a tool, not mess for its own sake.

Though actually不過其實，everyday English stretches it日常英文會把這個字延伸使用：people randomize a playlist or a seating list大家會randomize播放清單或座位表，meaning they shuffle it意思就是打亂順序。That looser use is real這種比較鬆散的用法確實存在，but the careful meaning is the test meaning但嚴謹的意思是測試上的意思：chance used as a tool機會被當成一種工具來使用，not mess for its own sake而不是為了亂而亂。

American spelling uses -ize; British English often writes randomise. The meaning does not change.

American spelling uses -ize美式拼法用-ize；British English often writes randomise英式英文則常常寫成randomise。The meaning does not change意思不會因此改變。