[ér qiě]
[連]
（表示進一層） not only ... but (also); and that
This comrade speaks English, and that very well.
這位同志會講英語，而且講得很好。
Air not only occupies space but it also has weight.
空氣不僅占據空間，而且它還具有重量。
（表示平列） and
The room is spacious and bright.
這屋子很寬敞，而且光線充足。
Holidays are few and far between.
假日太少，而且間隔很長。