1.shred 撕毁
They may be shredding documents.
他们也许正在粉碎那些文件 。
2.tolerate 容忍;忍受
She can no longer tolerate the position that she's in.
她再也无法容忍自己目前的处境了 。
3.on average 平均
American shares rose, on average, by 38%
美国股票价格平均上涨了38% 。
4.bilateral 双边的
China and the United States concluded [ entered into] a bilateral trade agreement after long negotiations.
中美两国通过长期谈判后订立了一项双边贸易协定 。