But for too many, that optimistic picture is still a mirage.
但是，对很多人而言，这一乐观景象仍然只是一种幻想。
I always thought that was an optimistic person, there are not many worries.
总以为我是一个乐观的人，不会有太多的烦忧。
The second common mistake is something many of us have faced-being too optimistic.
第二个常见错误是很多人的学习态度过于乐观。
However, many people are optimistic about the future of the Internet.
然而，许多人对因特网的未来持乐观态度。
Many observers are optimistic that they can do so.
许多观察家对此持乐观态度。
Many observers are optimistic that they can do so.
许多观察家对此持乐观态度。
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