Scientific Editing Services, Manuscript Editing Service
中文 繁體中文 English 한국어 日本語 Português Español

“and” vs. “or”

What is "and" in the affirmative may be "or" in the negative: Our results indicated X, Y, and Z, but they did not indicate A, B, or C.

(Please retain the reference in reprint:

Contact us

Contact us  

Your name*

Your email*

Your message*

Please fill in all fields and provide a valid email.