Lao Du was first alerted about this mistake by a famous American journalist who brought it to his attention.

老杜从一个知名美国记者口中得知这件事后，马上提高了警惕。

youdao

Lao Du was first alerted about this mistake by a famous American journalist who brought it to his attention.

老杜从一个知名美国记者口中得知这件事后，马上提高了警惕。

youdao