俗话说“条条大路通罗马”，背诵
icon 图标;
map 地图;
Infographic 信息图表;
flow scheme 流程图;
geometry 几何图;
explanatory drawing 说明插图;
pie chart 饼图;
bar chart 柱图;
illustration 插图;
drawing制图纸;
graph曲线图;
outline轮廓图;
flow chart 流程图/作业图
budget airlines 便宜的航空公司
chartered bus 包车
clip/punch the ticket 剪票
down payment 预付订金
drawbridge 吊桥
earth-circling flight 环球飞行
visitor center游客服务中心