情境四:Past situations that cannot be altered 不可能改變的過去 可能性:0% If they had listened to their customers’ feedback, the sales wouldn’t have dropped so much.情境四:Past situations that cannot be altered 不可能改變的過去 可能性:0% If they had listened to their customers’ feedback, the sales wouldn’t have dropped so much.情境四:Past situations that cannot be altered 不可能改變的過去 可能性:0% If they had listened to their customers’ feedback, the sales wouldn’t have dropped so much.