"Welcome" in Mandarin has a few different ways to be said, depending on the context:
* huānyíng (欢迎) is the most common and general way to say "welcome."
* xiānhuānyíng (先欢迎) is used when you want to be more polite, like at the beginning of a meeting or event.
* huānyíng lái (欢迎来) is used when someone is arriving at a place, like a shop or restaurant.
So, the best way to say "welcome" in Mandarin depends on the specific situation.