(1) You can cancel your online order within two days from the date "when" you place it.
My non-native English speaking friends think you need "when", but I think it doesn't matter. Is "when" optional? Please help me. Thank you very much.
You can use 'that' or 'when' or nothing at all. So yes, 'when' is optional, as is 'that'. CJ
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You can use 'that' or 'when' or nothing at all. So yes, 'when' is optional, as is 'that'.
CJ