1."If you are a small company thinking about investing in putting in some new oil production, well, you might think twice if prices are down at $75 (a barrel)..."
think twice三思,反复考虑
You must think twice before you take this step.
你在走这一步之前,应当三思 。
2.Oil makes up 83 percent of Nigeria's exports and 70 percent of the nation's economy.
make up组成,构成
Women officers make up 13 per cent of the police force...
女警占警力的13% 。