Sentence examples for a key to from inspiring English sources

"a key to" is correct and usable in written English.
You can use it when referring to a literal key (e.g. "She found a key to the locked door") or when referring to something figuratively used as a key or means of understanding or accessing something (e.g. "The professor provided the class with a key to unlocking the mystery of quantum mechanics").

Exact(57)

Johnson is a key to any turnaround.

A key to the room is inside.

2. A key to such a code.

It's a key to rehabilitation".

It comes with a key to Gramercy Park.

The novel provides a key to remembering.

It's like a key to another world".

Commitment is a key to the program.

Include a key to explicate the representations.

Here is a key to the headings in the table.

And personal contact remains a key to the campaign.

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