I think that we have reason to be optimistic.
我认为我们有乐观的理由。
你得乐观一点。
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。
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。
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。
We have reason to be optimistic in this respect.
我们有理由在这方面保持乐观的态度。
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。
Yet, there are still plenty of reasons to be optimistic.
但是，还是有很多理由足以让我们变得乐观起来。
So it is not easy to be optimistic about Indonesia’s forests.
所以，印尼森林状况不容乐观。
To be optimistic: always to look for solutions and possibilities.
要乐观：不断地探寻解决办法和可能性。
E. g. You must try to be optimistic, even when things seem impossible.
例句：你必须试着保持乐观，即使事情看似毫无可能。
At present, the ramjet engine jet for military purposes to be optimistic.
目前，冲压式喷气发动机的军事用途被看好。
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。
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。
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。
On that score, there is every reason to be optimistic - even if foreign money stages a reversal.
在这一层面，即便海外资金回流，前景还是相当乐观的。
And yet, fundamentally for me anyway, design needs to be optimistic, it's what design's all about.
可是，从根本上对我而言，设计需要乐观主义，这也正是设计的全部。
And yet, fundamentally for me anyway, design needs to be optimistic, it's what design's all about.
可是，从根本上对我而言，设计需要乐观主义，这也正是设计的全部。
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