Many important problems about cognitive and neutral mechanisms of temporal order perception need to be researched further.

时序知觉的认知机制与神经基础还有不少重要问题有待进一步探究。

youdao

Windows Phone may be viable in the future (and HTC are aggressively investigating this route with some serious investment and PR on the HTC 8X and 8S devices), but the perception is you need apps.

FORBES: Android's Downward Pricing Will Force Google's Advertising Vision On Every Manufacturer

While the perception is that we need cars to drive long distances on the "open road", how often do we really do that?

BBC: Cost overtakes green concerns in electric car debate

To this day there's still the perception that workers who need time off to care for a sick parent, or who want a more flexible schedule so they can go to the potluck or the play or the parent-teacher conference, are somehow less committed or less desirable.

WHITEHOUSE: The White House