New York City is unique in having assumed this obligation.

纽约市在承担这一义务方面是独一无二的。

Can you find anything new and substantial other than their assumed obligations in these " promises" ?

在这些“承诺”中，除了他们要承担的义务之外，你还能发现任何新的和实质性的东西吗？

Can you find anything new and substantial other than their assumed obligations in these so called " promises" ?

在这些所谓的承诺中，除了他们的义务、责任和工作之外，你还能发现任何新的实质性的东西吗？

Can you find anything new and substantial other than their assumed obligations in these " promises" ? I presume your answer will be negative.

这些" 承诺" 中，除了他们要承担的义务之外，你还能发现任何新的和实质性的东西吗? 我想你的答案将是否定的。

Floating exchange rate refers to the exchange rate that is determined by the supply and demand in the foreign exchange rate, and the government does not assume the obligation to maintain the exchange rate level.

浮动汇率是指由外汇汇率中的供求关系决定的汇率，政府不承担维持汇率水平的义务。