nonessential GMAT

1.Their accidental meeting led to a renewal of their acquaintance. It can also mean subordinate or nonessential:

偶然相遇使他们重续前缘。 它也可用来指附加或非质：

2.By becoming involved with tangential issues, it hopes to hide the real question and keep it out of mind.The ego's characteristic busyness with nonessentials is for precisely that purpose.

它之所以老在无关紧要问题上搅和，乃是希望借此避开真正问题，将它驱逐于心灵之外。