a joint declaration的用法和样例：
- A joint declaration has been adopted to deal with molesters and hidden camera users at stations and on trains.
- More than40 foreign ministers from European and Asian countries signed a joint declaration Tuesday at the conclusion of Asia-Europe Meeting talks in Hamburg, Germany.
- Take a seat, have a cigarette or a joint and I will be back in three minutes.
- A disease or an abnormality of a joint.
- They covenanted with us for establishing a joint venture.