This one line conveys several information, but the Ko sub carries the same omissions as the En sub, notably: 1) He went to a university in the US. 2) The grandfather specifically *bought* a car for him hinting at the generational wealth. All this, gone, presumably due to the character limit.
If you have a fediverse account, you can quote this note from your own instance. Search https://bsky.brid.gy/convert/ap/at://did:plc:7kz5fuok6aeujssccwrbvroo/app.bsky.feed.post/3md5mskdojs2v on your instance and quote it. (Note that quoting is not supported in Mastodon.)