a: Herd immunity ~
b: a town with few people who speak Chinese
What:
"Herd immunity" is like what makes it hard to learn Chinese in a town where very few people are learning Chinese. There are few tutors. The second hand bookshops don't have cheap beginners textbooks. You don't hear Chinese on the radio or TV.
Useful?
Writer: Pat Harkin, BSc Medical Genetics 1978, MBChB 1981, FHEA
LCC:
Where:
Date: May 28 2020 11:47 PM
# 12243 Critique Analogy