have something at your fingertips
US /hæv ˈsʌmθɪŋ æt jʊər ˈfɪŋɡərˌtɪps/
UK /hæv ˈsʌmθɪŋ æt jʊər ˈfɪŋɡərˌtɪps/

1.
掌握, 觸手可及
to have information or resources readily available and accessible
:
•
With the internet, you can have all the information at your fingertips.
有了互聯網,你可以掌握所有信息。
•
Our new software allows you to have all client data at your fingertips.
我們的軟體讓您掌握所有客戶數據。