×


系統正在處理中....

窗口將在 5秒后自動關閉.

客戶服務
哪裡買
說明
加值服務
序號啟用

denying  
添加到生字筆記
權威釋義



單選題

The invention of air-conditioning has caused many problems, but there is no _______ that AC has enabled people to stay indoors comfortably.


對答案