# --external-downloader also works for youtube-dl
--external-downloader aria2c

# workaround youtube throttle
--throttled-rate 100K
# player_client=android,web seems become default since 2021.07.21 version
#--extractor-args youtube:player_client=android

# manpage says yt-dlp use --sub-langs, youtube-dl use --sub-lang, but experiment shows yt-dlp also use --sub-lang
--sub-lang zh-Hans,zh-CN,zh-Hant,zh-SG,zh-TW,zh-HK,en,en-US,en-GB