2.construction material = 建築材料
3.come across(difficulity) = 遭遇、面對
4.how enjoyable it is = 那麽令人愉快、(有趣、歡樂、開心)
5.turn out = 結果
6.evaluate/estimate = 估計
7.civilian = 民事
8.common sense/general knowledge = 普通常識
9.public consensus = 公眾輿論 (壹致意見)
10.analytical method = 分析方法
11.a computing machine = 計算機