请问台北英文怎么写，TaiBei还是TaiPei

Taipei
这样跟老外讲可能更容易被接受些
下面是朗文字典的解释
Taipei：the largest city of Taiwan. It is surrounded by mountains, and its most important industries are making textiles, clothing, machinery, and ships.

Palace Museum at Taibei
台北故宫博物院
Taibei Observatory
台北市立天文台
planning of Taibei
台北城市规划
Welcome to Taipei!
欢迎光临台北！
Central Library in Taibei
台北“中央图书馆”
It was Wang Huizhen from Chinese Taipei.
中国台北的王惠珍。
Taipei will be cloudy with occasional rain.
台北阴天偶雨。
Summer in Taipei is hot and humid.
台北的夏天闷热潮湿。
I'd like to call Taibei.
我想打电话到台北。
She lives in Taipei, doesn't she?
她住在台北吧？

应该是taipei，这是习惯写法。

Taipei

我住台北，25 年了。

当然是Taipei,已经约定俗成了