Expressions (phrases, clauses, etc.)
when it comes to ...; where ... is concerned
after a noun
アインシュタインにとって理論物理学は遊びのようなものだったが、そんな彼も税金の計算となるとからきし駄目だった。Theoretical physics was child's play to Einstein, but he couldn't figure out his income tax. Expressions (phrases, clauses, etc.), Conjunction
if it's the case that ...; if it turns out that ...; if it's true that ...; in that case