Google voice takes a different approach by providing each user with his own personal number that can call any telephone, along with features such as voicemail transcription and call screening.
Google Voice采取了另一种方式：提供每一个用户一个个人号码以拨打任何的电话，同时还配备其他特色功能，例如语音邮件录制和呼叫筛选。
2
Antenatal screening can be difficult to implement in resource poor Settings for a number of reasons.
资源匮乏地区产前筛查难以执行的原因。
3
Better resolution is important for a number of applications, including but not limited to virtual screening of drug targets with docking procedures and protein design.