1. return trip 返程,回程
2. pick up取回,拿回
3. market research 市场调查
4. sales forecast 销售预测
5. fill out 填写
6. competitive advantage 竞争优势
7. competitive disadvantage 竞争劣势
8. electric razor 电动剃须刀
9. personal habit 个人习惯
10. adjust to sth. 适应某事
11. adjust doing sth. 适应做某事
12. obey the rules 遵守规则
13. violate the rules 违反规定
14. central heating 中央供暖
15. floor tile 地砖,铺地瓷砖
16. go up the stairs 上楼梯
17. go down the stairs 下楼梯
18. hold the handrail 握紧扶手






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