Usually some fast food, such as fried rice noodles ... and so on.
The price is about 30-40 per person.
If it is near Causeway Bay, there are not many tea restaurants.
On the contrary, there are many tea restaurants in Wan Chai next to Causeway Bay.
You don't have to have a tea restaurant to visit Causeway Bay.
There are many good shops in Causeway Bay.
You'll find a lot for yourself, don't worry. ..
Besides, you can rest assured that eating in Hong Kong will be cleaner.
McDonald's in Hong Kong has a meal of about 20-30, and KFC has a meal of about 30-40.
Whether it is expensive or not is a matter of opinion.