As a new form of currency, electronic currency has become an indispensable part of modern economic life with its good features such as convenience, rapidity and accuracy.
电子货币是一种新的货币形式，它以其方便、快捷、准确等优点成为当今经济生活中不可缺少的一部分。
Automatic doors are often used in large hotels, administrative departments and other fields, with good decoration, for our life has brought great convenience.
自动门常用于大型酒店、行政部门等领域，具有良好的装饰性，为我们的生活带来了很大的方便。
The noise reduction board has the advantages of good noise reduction effect, flexibility and convenience, long service life, safety, reliability and low cost.
其优点是，降噪效果好、灵 活方便寿命长，安全可靠，而且造价低。
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