Reverse spelling (crumb for crum, a word in which b has no justification) is also a trivial mistake.

反向拼写（crum 拼成 crumb，b在这里没有理由存在）也是微不足道的错误。

youdao

B: Yes, and I checked the spelling.

是的，而且我也检查了拼写。

youdao

B: Yes, and I checked the spelling.

是的，而且我也检查了拼写。

youdao