But do not make up information or provide facts or figures about which you are not certain. An honest "I dont know" or a very brief statement is more appropriate.
但不要捏造信息或使用你不了解的事实或数据，一句诚实的“我不知道”或一个简洁的声明会更合适。
2
I'll brief some interesting facts and stories with you, so we can save time for questions at the end.
我将简要地跟大家讲述一些有趣的事实和故事，这样我们最后可以留出提问时间。
3
The lawyer prepared a brief of the facts and the points of law in the case.