What does this expression mean: to make sure?

[Student]

Hello Alan and Torsten, tell me please meaning of " make sure". Is it "be sure".
Thank you in advance.

Student

[Alan]

Hi Student,

The expression 'make sure' means 'be assured' or 'make certain'. In a sentence this would be:

If you travel to another country, you want to make sure that you have taken your passport with you.

Alan
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