That APEC has no treatyobligation required of its members guarantees exactly the basis on which to hold them together.
对其成员不存在条约上的约束要求这一事实，恰恰保证了成员间的团结。
2
However, not all the countries that have signed the treaty have fulfilled this obligation.
然而并不是所有签署了这项协约的国家已经完全履行了这一义务。
3
Even prior to acceding to the treaty, China undertook to fulfill the obligations stipulated by the IAEA Statute, including the obligation to apply IAEA safeguard.