好友 是你通过游戏、群聊天和消息与之交互的人员，你还可以查看他们的活动源。 当你将某人添加为好友时，他们将收到一个可接受或拒绝的好友请求。 您最多可以有 1,000 个 Xbox 好友。 你可以选择在隐私设置中关闭好友请求。

Browse on the go with the new Microsoft Edge for Android and iOS devices. Microsoft Edge offers better protection and privacy, and can sync your favorites, passwords, and more across your desktop and mobile devices.

DirectX 是 Windows 中一組可讓軟體、主要且特別是遊戲正確地與您的視訊和音訊硬體搭配運作的元件。 使用 DirectX 的遊戲可以更有效率地使用硬體內建的多媒體加速器功能，以提升您的整體多媒體使用經驗。

Example 2. In the following example: Rate is the annual discount rate. This might represent the rate of inflation or the interest rate of a competing investment. Value1 is the initial cost of investment one year from today.. Value2 is the return from first year.. Value3 is the return from second year.. Value4 is the return from third year.. Value5 is the return from fourth year.