expression
take just one example; even just one
Used to highlight a single representative instance from a larger set, often to emphasize a point. Common in explanations and arguments.
彼の作品はどれも素晴らしいが、一つとってもこの絵は特に印象的だ。
All of his works are wonderful, but to take just one example, this painting is particularly striking.
この町には問題が多い。交通渋滞を一つとっても、毎日大変だ。
This town has many problems. Even just looking at traffic congestion, it's tough every day.