How to Use "PhD" with Example Sentences

1. Many phd courses train students specifically for that goal .
2. For his phd at harvard , seeley took up a longstanding entomological question : how do honeybees choose their homes ?
3. Still thinking about earn money first or doc exam first , but after all , I have to take part in the phd exam .
4. She is now a phd student in canada .
5. At least a third of successful phd students come from abroad .