London’s Docklands Light Railway has the following phrase on a sign: “just in time information”.
It’s wrong. It is not “just information”, or “in information”, or “time information”. It should be “just-in-time information”.
It needs hyphens to glue the words together so that we know it is a complete modifier to the word “information”.
The easy way to remember this? If you say it out loud and said it fast, “justintime” becomes a complete word, then use hyphens.
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