An ingenious idea suddenly came upon him when he was taking a walk with his wife.
An ingenious idea suddenly came upon him when he was taking a walk with his wife.
他和他夫人散步时突然想到了一个绝妙的主意。
An ingenious idea suddenly came upon him when he was taking a walk with his wife.
他和他夫人散步时突然想到了一个绝妙的主意。