Toronto is on Lake Ontario. It was a nice day today.

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ESL Expression of the Day : "on board"

original meaning - to be on a (wooden) boat, to be part of a crew

slang - to be on a team, to support the team goals

example:
"Obama says that the economy will recover in 2 years, but the Republicans are not on board."

meaning: The Republican Party doesn't support him. They are not on his team.