I think that we have reason to be optimistic.
我认为我们有乐观的理由。
This is science fiction, so we can be optimistic! And Star Trek's idea of life in the future is 'communicators'.
这是科幻小说，所以我们可以乐观！《星际迷航》对未来生活的设想是‘交流器’。
你得乐观一点。
How can this help us be optimistic?
这对我们变的乐观有什么帮助呢？
There are reasons to be optimistic.
我们有理由对此持乐观态度。
"I choose to be optimistic," he said.
“我选择乐观，”他说。
这个看法可能过于乐观。
That is surely reason to be optimistic.
这就是我们应当乐观的理由。
Startup founders tend to be optimistic.
创业者应该要乐观。
I think we have reason to be optimistic.
我认为，我们有理由保持乐观。
Realize time constraints, be optimistic.
明白你有时间上的限制。还要乐观些。
All right, so I'm going to be optimistic.
好了，我现在乐观假设。
There is reason to be optimistic, however.
但是，有理由表示乐观。
Choose to be optimistic when it comes to being single.
谈到单身问题的时候，你完全可以选择以乐观的心态来面对它。
So it is not easy to be optimistic about Indonesia’s forests.
所以，印尼森林状况不容乐观。
Other analysts believe that even these figures may be optimistic.
其他分析人士认为，即便这些数字也是乐观预测。
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。
It is a grim prospect. Indeed, it is hard to be optimistic about Afghanistan in 2010.
前景令人担忧，人们确实很难对2010年的阿富汗局势抱有乐观的态度。
The problem lies in the human tendency to be optimistic and forget the lessons of the past.
问题在于人性都过于乐观，容易遗忘过去的教训。
Or instead of trying to be optimistic, do what optimists do: Work hard to reach your goals.
或者，与其试着乐观，不入做乐观者做的事：努力工作实现目标。
Strange as it may sound, the increasing cost of college is another reason to be optimistic.
听起来很奇怪，大学学费的上涨是值得乐观的另外一个理由。
Strange as it may sound, the increasing cost of college is another reason to be optimistic.
听起来很奇怪，大学学费的上涨是值得乐观的另外一个理由。
应用推荐