French phrase
Comment doit-on ~ ?
Meaning
How should one ___?
When to use it
Asks how something should be done. Used to request general advice or instructions.
Example dialogue
Comment doit-on cuire le riz ?
How should one cook rice?
Mets une tasse de riz et deux tasses d'eau, puis lance la cocotte.
Put one cup of rice and two cups of water in the rice cooker, then turn it on.