or, otherwise
Option A
A formal conjunction used to present two or more alternatives. It is typically used at the beginning of a sentence or to connect two distinct phrases or nouns, indicating that either option is acceptable.
Noun +
When connecting two nouns,
電話、
Please contact us by phone or email.
支払いは現金、
The payment should be made in cash or by credit card.
Sentence A.
It can be used at the start of a new sentence to provide an alternative to the previous statement.
会場に来てください。
You may participate in person. Or, you can join online.