1.via v. 經過;通過,憑借
例句:The technology to allow relief workers to contact the outside world via satellite already exists.
能夠讓救援人員通過衛星與外界聯系的技術已經存在 。
2.employ v. 使用;采用
例句:The tactics the police are now to employ are definitely uncompromising.
警方目前即將采取的策略明顯很強硬 。