The past is always tense, the future perfect.
One way of looking at speech is to say that it is a constant stratagem to cover nakedness.
有时看前来像是解决方案比问题多。仔细观瞧,今天的很多问题都是昨天的解决方案带来的结果。
噪音使金融市场成为可能,但也使它们不完美。