<https://tienghoagiaotiep.com/hoc-tieng-trung-giao-tiep-theo-giao-trinh-han-ngu-1-bai-1/#webpage>
<http://schema.org/dateModified>
"2021-05-26T05:27:24+07:00"^^<http://schema.org/Date>
<https://tienghoagiaotiep.com/hoc-tieng-trung-giao-tiep-theo-giao-trinh-han-ngu-1-bai-1/>