pie chart
(n) a circular graph divided into sectors to show proportions, biểu đồ tròn
in general
(phrase) overall; usually, nhìn chung
age group
(n) a range of ages that people belong to, nhóm tuổi
survey
(n) a method of gathering information from individuals, khảo sát
as opposed to
(phrase) in contrast with, trái ngược với
meanwhile
(adv) at the same time, trong khi đó
figure
(n) a number or amount, con số
a quarter
(n) one-fourth of something, một phần tư
news site
(n) a website where news is published, trang tin tức
