A lesson in Barbie economics

Soviet cosmonaut苏联宇航员

200 occupations

curriculum 课程

obsolete 过时 的

startling astonishing stunning

conjure up 想起

basic vocab terms

high ponytail 高高的马尾

ahead of the curve 前卫

trailblazing 开拓性的

infiltrate 渗透

leading and lagging indicators

领先和滞后指标

grad school 读研的时候

laid-back 悠闲的