Usage

Language usage, including punctuation and spelling.

• 即便 vs. 即使
  I like how this article cites attested historical examples to support 即便 as conjunction meaning "even though/if":
  https://www.ptt.cc/bbs/Wrong_spell/M.1371309373.A.0E9.html

• etc
  et cetera already means there are items left unsaid, so it coincides with the ellipsis.
  Don't say: A, B, C...etc.
  Say: A, B, C, etc.

• cancelation | cancellation
  While rules favor the spelling with a single L if it appears in an unstressed syllable (e.g. cancel), "cancellation" with double Ls is an exception and the dominant spelling in the United States. I spell it this way too.

• The definite article "the"

ChatGPT for English writing and grammar