substitute

(v) To use something or someone in place of another. (n) A person or thing acting as a replacement.

• substitution/ˌsʌbstɪˈtjuːʃən/(n)替换
• substitutable/ˈsʌbstɪtjuːtəbəl/(adj)可替代的

• substitute for
• substitute one thing for another
• as a substitute
• find a substitute
• substitute teacher
• poor substitute

1. 1.Online meetings are a reasonable substitute for some interactions but are no substitute for face-to-face collaboration.
2. 2.The chef was able to substitute the unavailable ingredient without significantly affecting the final dish.

• replace/rɪˈpleɪs/— take the place of
• swap/swɒp/— exchange one for another
• exchange/ɪksˈtʃeɪndʒ/— give and receive

from Latin "substituere" = to put in place of, from "sub-" + "statuere" (to set up)