在参加该项目之前必须结清余账。You have to pay your outstanding bill before joining the scheme.晚上聚会结束的时候他们和科林结清了账。They settled with Colin at the end of the evening.我会跟你算这笔账的。I'm going to get even with you for this....
Remember, keep a positive attitude and good things will happen.记住：保持乐观的心态，好事自然会发生。Do not wait for good things to happen to you. You need to walk towards happiness.不要等待好事降临，你要向幸福进发。This is such an unforeseeable situation ...