The true power of online reviews lies not just in the individual stories, but in the websites' capacity to aggregate a large volume of ratings.

在线评论的真正力量不仅在于个人故事，还在于网站汇总大量评分的能力。

youdao

Overall, this means that a greater volume of hydrogen is needed to power a car, compared with petrol.

总而言之，这意味着相对于汽油来说，有更多的声音希望用氢来作为汽车的动力。

youdao

Compounding matters is the problematic location of the power and volume buttons. Holding the device in your left hand often causes you to hit these by accident.

电源键和声音键的位置也有点问题，当你用左手拿着时很容易不小心碰到他们。

youdao

The simple remote is small with only a smattering of essential buttons, and doesn't include controls for the TV's volume or power.

ENGADGET: Slingbox 350 and 500 review: Sling Media finally upgrades its line of media streamers

As for its hard key layout, all of those buttons (volume, power and dedicated camera key) reside on the right, with nothing but a 3.5mm headphone jack up top and microUSB port at its base.

ENGADGET: Nokia Lumia 720 preview: a slim and 'trendy' Windows Phone 8 handset for the social networking set (update: video)

In many cases this is the only way to reach a function, the Z10 has a distinct lack of buttons around the edges of the handset (volume, power, and camera) and there are no buttons at all on the face of the unit.

FORBES: First Impressions Review Of The BlackBerry Z10