《家庭电子》2001年第1期51页刊登的《打电话省钱窍门》一文,从总体上笔者认为该文是不错的,但也存在不足之处。笔者对该文中第四点“打长途省钱,如果双方手机都处于同一网络,用手机打长途则按市话计费,如在武汉用138手机向北京139手机打长途,第分钟仅0.40元……”提出不同看法,笔者 “Home Electronics” 2001 the first 51 pages of the “call tips to save money,” a text, in general, I think the article is good, but there are also deficiencies. The author of the fourth point in the article “long distance to save money, if both phones are in the same network, long distance mobile phone calls according to the municipal billing, such as the use of 138 mobile phones in Beijing to 139 long-distance mobile phone hit Beijing, the first minute is only 0.40 yuan ... ... ”put forward different views, the author