The website louisperreault.com/ is a very good sample to talk about my questions.
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First, let's stay in the EN version "news", then in the mean while we switch to the FR version, we click the "FR" button at the bottom, yes it turns to the FR version, but it is the index page, not the FR version of "news",
if install two indexhibits is the only solution of the Multilingual, please kindly let me know how to switch to the language version of the original page where we are planing to turn change...