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1·Cialis offers these men another treatment option, particularly those who also have ED, which is also common in older men.

希爱力为这些患者提供了另一种治疗选择，特别是对同时患ED者，ED在老年男性中也很常见。

2·Cialis is often the first choice for new patients because its window of effectiveness is up to 36 hours, considerably longer than the other two treatments.

希爱力，对于阳痿患病时间不长的病人来说通常是第一选择，因为他能产生药效长达36个小时，作用时间远超两外两种药物。