There had been a tremendous amount of tension and acrimony, because each country had been defending its national interests while trying collectively to advance the resolution of a problem which everyone agreed had to be solved.
其间，由于每一个国家都在维护本国的利益，同时试图群策群力，解决大家都同意必须解决的问题，以致唇枪舌战，气氛火爆。