by default

US /baɪ dɪˈfɔːlt/
UK /baɪ dɪˈfɔːlt/
"by default" picture
1.

默认, 缺省

if you do not choose or change anything else

:
The printer settings are set to black and white by default.
打印机设置默认为黑白。
New documents are saved to the 'My Documents' folder by default.
新文档默认保存到“我的文档”文件夹。