在视频通话时使用屏幕共享功能协作。 如需了解具体操作方法，请参阅这篇文章。 • You can now edit messages as much as 15 minutes after sending. Very long press a message and choose ‘Edit’ to get going. • Group chats clearly show the profile photographs of their participants. 可同时处理多项任务，并使用更大键盘更快速地进行输入，从而提高工作效率。 To attach your World-wide-web browser to your... http://whatsapp-link.net/