The filesystem of my computer has broken down.

His jokes always have a double entendre, which is interesting.

Double negatives are a common phenomenon in English grammar.

Double negatives are generally avoided in English grammar.

Would you like to go on a double date tonight?

The power supply in this area comes from that electrical substation.

Please be very careful of one-click fraud.

I uploaded a large amount of data to the server using the File Transfer Protocol.

He is struggling with a methamphetamine addiction.