（注于引文后，表示原文存在拼写等错误）原文如此written after a word that you have copied from somewhere, to show that you know that the word is wrongly spelled or wrong in some other way
In the letter to parents it said: ‘The school is proud of it's [sic] record of excellence’.
在致家长的信中写道：“ The school is proud of it's （原文如此） record of excellence ”。