one做先行詞時(shí)，關(guān)系代詞用who來引導(dǎo)
定語從句宜用who來引導(dǎo)：當(dāng)先行詞是those, she ,he ,they, ones, anyone, someone, no one等指人的代詞時(shí)。
例句：
One minus one is zero.
一減一等于零。
No one likes to lose.
沒人愿意失敗。