1.heating system 供暖系統

例句:High electricity bills point to a poor heating system or bad insulation.
高額電費開支說明供暖系統不足或建筑隔熱材料不良-xe2|s.8ggt.2;R[yM|W。

2.service call 維修電話

例句:For example, a company could detect dissatisfied customers that explicitly reference a competitor in a service call.
例如，公司可以在服務呼叫記錄中發現客戶提到了競爭對手，從而發現可能會流失的客戶]vqu|CaC89wFnxBPx。

3.come out 出現

例句:The truth is beginning to come out about what happened.
真相開始逐漸浮出水面^O+^P]CGq6D3!ux8。

4.come by 過來

例句:When Mary didn't come by nine o'clock, we gave her up.
瑪麗九點還未到，我們認為她不會來了uJ)&R;jckRO)5eVT8G。