Necessary

必

Certainly, Must, Necessary, Will

要

Ask, Blackmail, Brief, Coerce, Demand, Engage, Essential, Examine, If, Important, In, Investigate, Invite, Make, Midriff, Necessary, Necessity, Need, Ought, Require, Shall, Should, Stop, Summarize, Summary, Threaten, Waist, Want, Will

必要

Necessary

十分必要

Essential, Necessary

必要的

Necessary

所需的

All, Necessary, Needed, Required, The