1·Along with this optimistic estimate, I must in all candor leave one note of caution.
随同这个乐观的评估，我必须要完全坦白委托一个谨慎的照会。
2·One optimistic estimate is that half the world's people might speak English by 2050.
一个乐观的估计是到2050年世界上大概有一半的人会说英语。
3·Now in Baidu's share of the Japanese market, the most optimistic estimate is that 10 per cent.
百度如今在日本市场所占的份额，最乐观地估计也不到10%。
4·He said by an optimistic estimate, it would take between 10 and 20 years for the reef to recover.
他说，根据乐观的估计，大堡礁将需要10年到20年来恢复。
5·An optimistic estimate is that only one in five job-seekers in India has ever had any sort of vocational training.
一个乐观的估计，只有五分之一的工作之一，在印度的求职者都从来没有任何职业培训类。
6·The optimistic estimate is a few days, but the mechanic can't tell us for sure until he spends more time with the RV (much like investigating a defect in our code).
利观的估计是几天，但是直到机械师在 RV 上花费了更多时间，他才能确定的告诉我们（非常像调查代码中的缺陷）需要多长时间。
7·The Tory estimate assumes that two-thirds of them would, but that may be optimistic.
托利党估计这样的人数大约占三分之二，但这可能是相对乐观的数据。
8·Procrastinators are not different in their ability to estimate time, although they are more optimistic than others.
尽管拖拉症患者比常人乐观，但他们并非无能估量时间。
9·One recent estimate expects default rates on high-yield debt to quintuple from 0.9% in 2007 to 4.8% this year. If the downturn endures, even that could prove optimistic.
一份最近的评估报告预计高产债的违约率，从2007年的0.9%上升到今年4.8%，翻了4倍。若衰退持续，上述情况还算是乐观估计。
10·Of course, most folks, in a very optimistic fashion, when looking at such a distribution will focus on the Low Estimate.
当然，在看到这种分布时，大多数人都会乐观地集中于低估之上。