// promise to either yield a chunk of data or indicate we're
commonprefix() compares character-by-character (/..a../..b..),
。PDF资料是该领域的重要参考
The war in the Middle East has plunged financial markets around the world into turmoil for a second day, with oil and gas prices surging and share indices plummeting days after the US-Israel attack on Iran.
Александр Горовой. Фото: Григорий Сысоев / РИА Новости