When the dog lies down immediately repeat the "lie down" command in a softer voice and keep repeating it - still softer and softer until you're whispering.

当狗趴下时，马上用较为柔和的声音重复“lie down”的命令，并且不断地用越来越柔和的声音重复，直到你在耳语为止。

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When you are commentating, it doesn't sound very good if you keep repeating the same word.

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But with mobile, it keeps on getting faster and faster and faster and I keep on turning back to history repeating itself.

FORBES: Intelligent Investing Transcript