You might also design an adventure challenge to train young volunteers.

你也可以设计一个冒险挑战来训练年轻的志愿者。

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The video challenge does not put individual students on the hot seat—so it's less intimidating by design.

视频挑战并没有把个别学生置于尴尬的境地——因此它在设计上不那么令人生畏。

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And we challenge ourselves to do the system design so that we responsibly took into account all of the dimensions that we talked about at the beginning.

我们通过做这个,制度设计挑战自我,以便于充分考虑,我们最初谈到的,所有方面。

麻省理工公开课 - 媒体、教育、市场课程节选

From a church whose acoustics are meant to have the likeness of "singing in a violin, " to a chapel that literally and metaphorically unites a bride and groom in marriage, the buildings featured in the gallery above, challenge design notions of sacred spaces.

CNN: The world's most beautiful places to pray

Of course, there is one fundamental challenge motivating design in the swimwear business.

FORBES: Magazine Article

The MacArthur Foundation and industry leaders like Sony are launching a nationwide challenge to design compelling, freely available, science-related video games.

WHITEHOUSE: President Obama Kicks Off "Educate to Innovate"