她对时尚潮流毫不在乎。
She ___couldn't ___care ___less about fashion trends.
经理对员工的投诉漠不关心。
The manager ___couldn't ___care ___less about employee complaints.
他们根本不在乎明天是否下雨。
They ___couldn't ___care ___less if it rains tomorrow.