书籍 Summit 2B - 第 9 单元 - 第 4 课

to give details about someone or something to say what they are like

related to society and the lives of its citizens in general

社会的

the statistical characteristics of a population, such as age, gender, and ethnicity

人口统计

a fashion or style that is popular at a particular time

趋势

a number or piece of data representing measurements or facts

统计（数学）

the number of times something changes or happens during a specific period of time

率

happening, done, or existing in the present time

当代的

having happened, started, or been done only a short time ago

最近的

the period of time happening now, not before or after

现在