If things are niggling you and bad moods are a familiar deal to you, then it’s a good bet that something’s not quite right somewhere in your life.
如果有些事情总是令你伤神费力，总是让你感到心情不好，那就说明你生活中的某件事情肯定做的不对。
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The sixth-largest moon of Saturn has been called the most promising bet for life thanks to its welcoming temperature and the likely presence of water and simple organic molecules.