1.shed light on 為…提供線索；對…透露情況；使…清楚地顯出

However, the report also shed light on some grim realities of begging.
然而，這項調查也揭示了一些乞討行為中嚴酷的現實。

The work, published in the journal science, may shed light on how horses were domesticated.
頒布于《科學》雜志上的作品可能會把馬是如何被馴養清楚地揭示出來。

2.rely on 信賴； 依賴；依靠

We rely on corporations like bp to bring us energy.
我們依靠像bp這樣的公司來供給我們能源。

The firm cannot rely on reputation forever.
公司不可能永遠依賴其名聲。

3.not to mention 更不用說；不消說

All this uncertainty is difficult for state bureaucrats, not to mention hospitals and insurers.
所有這一系列不確定對政府官僚來說都很艱難，更別說對醫院和保險公司了。

No longer is private banking deemed socially or intellectually inferior not to mention less well paid.
人們不再認為，私人銀行業在社會地位或知識方面低人一等更別說薪酬比別人低了。