英语语句

Specification pattern is a particular software design pattern
：规格模式是一种特定的软件设计模式

whereby business rules can be recombined by chaining the business rules together using boolean logic：从而可以通过使用布尔逻辑链接业务规则来重组业务规则
But, server-side validation is more critical and unavoidable
：但是，服务器端验证更为关键和不可避免

If data annotations are not sufficient for your case
：如果数据注释不足以满足您的需求

on slow hosting or with web platform installer for demo shops
：在缓慢的托管或用于演示商店的网络平台安装程序

A value indicating whether a store owner can install sample data during installation
：指示店主是否可以在安装过程中安装样本数据的值

It can slightly improve performance
：它可以稍微提高性能

Add verbose exception handling / raising here since this is happening on app startup and could prevent app from starting altogether
： 在这里添加详细的异常处理/提升，因为这是在应用程序启动时发生的，可以防止应用程序完全启动

Gets or sets a shipping rate (without discounts, additional shipping charges, etc)
：获取或设置运费（不含折扣，额外运费等）

Compiles the lambda expression described by the expression tree into executable
code and produces a delegate that represents the lambda expression.
：将表达式树描述的lambda表达式编译成可执行文件代码并生成代表lambda表达式的委托。

nopCommerce supports a mobile version of your website with a compelling, feature-rich and graphically pleasing storefront and means for retailers to immediately deliver relevant offers, promotions and products. The mobile-responsive version works on any connected device, without requiring extra development or add-ons. It is free and available out of the box.
：nopCommerce支持您的网站的移动版本，具有引人注目，功能丰富且图形丰富的店面，并为零售商立即提供相关优惠，促销和产品的手段。 移动响应版本适用于任何连接的设备，无需额外的开发或附加功能。 它是免费的，可用的开箱即用。

This means, you can host more than one frontend store on different domains and manage all admin operations from your single administration panel
：这意味着，您可以在不同的域上托管多个前端商店，并从单个管理面板管理所有管理操作

This XML file does not appear to have any style information associated with it. The document tree is shown below.
：此XML文件似乎没有与之相关联的任何样式信息。 文档树如下所示。