Requirement trace
[計] 要求追蹤
?? 詞語組成解析
requirement
[r?'kwa??m?nt]
n. 要求;必要條件;必需品，需要量;資格;
re 再，重復 + quir 尋求，詢問+ e + ment表示行為、行為的過程或結(jié)果 → n.需要；要求
trace
[tres]
vt. 跟蹤，追蹤;追溯，探索;探索;查找;
vi. 沿著一小徑或道路前進;可以追溯的;
n. 痕跡，蹤跡;微量，極少量;[植]（脈）跡;痕跡;
trace(draw)→回溯
??? 情景例句
He worked his way through college.
他半工半讀念完大學。
The gangsters are planning a robbery.
一伙強盜在計劃搶劫。
A lot of people object to mobile phones, especially when they are used in public places like restaurants or on public transport.
許多人都反對移動式電話，特別是在如飯店，公共交通車等公共場所使用移動電話。