A male may change an expression.Logical formLearned from17 sentences. Understanding may undergo expressions.Logical formLearned from17 sentences. An expression can be imperfect.Logical formLearned from17 sentences. Expressions can be in a language.Logical formLearned from17 sentences. Expressions can be reduced.Logical formLearned from17 sentences. Reverence may undergo an expression.Logical formLearned from17 sentences. (Gene expression profiles) may undergo an analysis.Logical formLearned from17 sentences. An expression can be recognizable.Logical formLearned from17 sentences. Expressions can be enthusiastic.Logical formLearned from17 sentences. Differences can be in (gene expression).Logical formLearned from17 sentences. A person may write an expression.Logical formLearned from17 sentences. Needs may undergo an expression.Logical formLearned from17 sentences. An expression can be drawn.Logical formLearned from17 sentences. Muscles can be constituted-of-or-filled-with facial expression.Logical formLearned from17 sentences. Leadership may undergo an expression.Logical formLearned from17 sentences.