I personally think that building a team efficient does not depend absolutely on the type of language you speak, sure maybe if you have affiliates who speak the same language you can easy to explain all aspects of SFI.
However nowadays even if you do not know other languages perfectly, you're helped by translators like that of Google that allows you to translate from your language in almost all languages of the world including less used and still a good percentage of people in the world read and write in the English language, therefore, as I repeat there is no difference, the important thing is not the language you speak, but to have a relationship of respect and sincerity with the people that make up your team.
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I personally think that building a team efficient does not depend absolutely on the type of language you speak, sure maybe if you have affiliates who speak the same language you can easy to explain all aspects of SFI.
However nowadays even if you do not know other languages perfectly, you're helped by translators like that of Google that allows you to translate from your language in almost all languages of the world including less used and still a good percentage of people in the world ...more