in the clearest terms possible可以先不看
but this debate has highlightedthat这个能看懂吧,
terms possible里的possible其实是that ispossible的省略,做terms的后置定语.
因为没有语言环境,我不好给你翻译,只能帮你梳理句子结构,理解以后自己翻译吧.