duplication
🇺🇸
/ˌduːplɪˈkeɪʃn/
🇬🇧
/ˌdjuːplɪˈkeɪʃn/
making an exact copy of something
We avoid duplication by keeping one master file instead of making many copies.
我们通过保留一个主文件而不是制作多个副本来避免复制。
doing the same thing again when not needed
This duplication of work wastes time and money.
这种工作的重复浪费时间和金钱。