妥善处理税务执法与行风建设的矛盾，是税务机关和税务人不能回避而必须高度重视和加以解决的重大课题。
It is an important problem for tax authorities and collectors to deal with well the contradiction between tax law enforcement and trade ethics construction.
对于沿海城市，海水直接利用是解决淡水供求矛盾的最有效途径，海水冲厕就是其中一项具有重大节水意义的工程。
Using seawater directly is an effective solution to save fresh water for cities near the sea. Using seawater for flushing toilets is a great water-saving project as one of the direct uses of seawater.
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