The more complex the structure of a message, the longer the time required to map between programming objects and XML elements.
消息的结构越复杂,程序设计的对象和 XML 元素之间的映射需要的时间就越长。
Their biggest non-payroll expense is supposedly SMS fees, although they have hit a ceiling and no longer pay a marginal fee per message as the company grows.
不过,随着公司壮大,他们已经不用再支付每条信息的附加费了。
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