Wearing the wrong glasses, however, can prove harmful.

然而，戴错眼镜可能是有害的。

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Though people of two countries cannot go across the border without permission, animals, however, can cross the border freely.

虽然两国人民未经许可不能越过边境，但动物可以自由跨过边境。

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This practice, however, can lead to suboptimal results, as decision-makers tend to focus only on easily quantifiable factors.

然而，这种做法可能导致不理想的结果，因为决策者往往只关注容易量化的因素。

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However,snow can become hard and flat as it becomes older or if there have been strong winds.

VOA: special.2010.01.05

She taught so beautifully about how can you engage students. However, the teachers have the lecturer of the students remaining in the classroom.

她完美地阐述了,应如何吸引学生，然而，老师有权选择如何教育,留在教室里的学生。

麻省理工公开课 - 媒体、教育、市场课程节选

However, on Friday we will use a different approach so we can talkabout bonding within atoms that have more than two atoms, molecules with more than two atoms.

但是，在周五我们,会用一种新的办法来讨论,不止两个原子的分子的成键。

麻省理工公开课 - 化学原理课程节选

That however can hardly be a source of surprise when we increasingly ignore the true meaning of Christmas.

BBC: An eye on simplicity

None however can match the size of the explosion they say they saw March 17.

CNN: Bright explosion on moon visible from Earth, NASA says

Articles from trusted writers however can have a much better effect, he says.

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