Hello, welcome. What is the usual expression in Italian?

Since it is "hello" instead of "hello", Qian Qian should never use "ciao!" That's very informal and can only be used between acquaintances.

Depending on time:

Good morning. (Good morning)

Bonasera. Good evening, but it can usually be said after 4 /5 pm.

If you feel uncomfortable between morning and evening, just say:

Good morning! Good afternoon, I use less, but I can still use it.

According to the different guests:

Benvenuto！ (One person, male)

This article, Nuta! (One person, female)

Bennut. (Many people are women)

Benvenuti！ (Many people, men and women)

If you want to say "Welcome to XX", you should add the preposition A after Benvenuto/A/E/I, for example ………………………………………………………………………! Welcome to Beijing! )

Finally, if you can say, "Hello!" Something like "Have a nice day!" In English. Let others have a good time ...