欠缺 (qiàn quē): to be deficient in; lapse; deficiency

Although he is very talented professionally, he clearly lacks experience in interpersonal communication, so he often encounters difficulties during teamwork.

Because this report lacked concrete data support, it was returned by the manager for rewriting, with a request to add detailed survey results.

The new colleague has a very positive work attitude, but still lacks some experience, so he needs the senior employees to show him the ropes.

This design plan is excellent in creativity, but it lacks consideration of the feasibility of actual construction, and may need further modification.

He grew up in a single-parent family; although he did not lack anything materially, deep down he always longed for the warmth of a complete family.