不ふ確かく定てい要よう素そふかくていようそMeanings1noununcertain factors; variables; imponderablesRefers to elements or factors that are not fixed or predictable, often used in planning, analysis, or decision-making contexts.計けい画かくにはまだ不ふ確かく定てい要よう素そが多おおい。There are still many uncertain factors in the plan.
