All new fashion starts out as a reaction against existing convention.

所有新时尚都是从反抗现存习俗开始的。

《柯林斯英汉双解大词典》

The Protocol entered into force on January 6, 2011, following ratification by five parties to the existing Convention.

WHITEHOUSE: The White House

The existing Convention on Mutual Administrative Assistance in Tax Matters, done at Strasbourg on January 25, 1988, entered into force for the United States on January 4, 1995 (the "existing Convention").

WHITEHOUSE: The White House

Furthermore, it updates the existing Convention's rules regarding the confidentiality and permitted uses of exchanged tax information, and opens the existing Convention to adherence by countries other than OECD and Council of Europe members.

WHITEHOUSE: The White House