Other scripts, Arabic or Japanese for example, can be used in the first part, but whatever language is used, the address must end with a small but very important collection of Latin alphabet characters, .com, .gov, .co.uk, .cn and so on.
Without those Latin letters on the end, the website simply will not work.
The reason for the system is simple - the internet was born in the United States.
And the Latin-script suffixes used in web-addresses have now become so internationally familiar that some internet users question the need for change.
But imagine the situation in reverse.
What if every European or North American website was forced to include a few letters of Chinese in its domain name?
The full story here.