两天的磋商功亏一篑。美国和77国集团成员国都没有作出重大让步。

Neither the US nor the G77 group of countries have made any major concessions.

中东冲突问题的彻底解决取决于双方是否肯就敏感问题作出重大让步。

A permanent cure for the problem of the Middle East conflict depends on whether both sides are willing to make heavy concessions to the sensitive issues.