重点讲解：
1. shed light on
使（某事）显得非常清楚；使人了解（某事）；
eg. She has told them nothing that could shed light on her husband's whereabouts.
她没向他们提供任何有关她丈夫下落的线索tTR-j5h!27pAPX2d。
eg. This information may shed light on me mystery.
这项情报可能有助于查明那件疑案OHSCo(s(iLlb#qFrq。
2. because of
因为；由于；
eg. Many institutions exchange information by hand because of incompatible computer systems.
由于计算机系统不兼容，许多机构通过人工方式进行信息交换n*p69ib4E)nOWxi。
eg. The match is off because of a waterlogged pitch.
由于场地积水太多比赛被取消了XxhS1P6Px=。
3. heat up
激化；加剧；变得激烈（或热烈）；
eg. The election contest is heating up.
选举竞争正趋于白热化7!r@jjs@Bh;。
eg. That change heated up inflation.
那一变化加剧了通货膨胀W]M;vf2bF.。