完善失業保險制度的英文：
to improve the unemployment insurance system
improve是什麼意思：
v. 改進；提高…的價值；利用；提高
There is still room for improvement.
還有改進的`餘地。 Technical advances improve productivity.
技術進步提高生產力。 Her service has improved.
她的發球有了提高。unemployment是什麼意思：
n. 失業，失業人數
Article19 The unemployed who receive medical treatment during the period of receiving unemployment insurance compensation, may apply for medical subvention from social insurance agencies.
第十九條失業人員在領取失業保險金期間患病就醫的，可以按照規定向社會保險經辦機構申請領取醫療補助金。 We should posit unemployed.
我們應安置未聘人員。The workshop has shut down and the workers are unemployed.
作坊關閉後工人失業了。
insurance是什麼意思：
n. 保險；保險費；預防措施
The amount of a claim on an insurer by an insured.
險損賠償額保險人從承保人獲得的賠償數量。An insurance company will insure your house against fire.
保險公司願為你的房屋保火險。I have insured my car with a Japanese insurance company
我已向一家日本保險公司投了我的汽車保險。