如果你半按快门，你的相机就会解读目前你所设定状态下的曝光情况。
If you half click the shutter, your camera will read the light and place a line where it believes your exposure will be if you take the picture with your current Settings.
这也意味着，妇女拒绝享受医疗服务的机会，因为她们担心个人情况将被强制曝光。
It could also mean that women are put off accessing health care services, because they worry that their status will be forcibly disclosed.
其实，如果一个互联网应用不采用病毒式营销方式推广自己，那么自然搜索方式应该是不二之选了。 因为自然搜索方式同样可以在毫无成本支出的情况下让网站得到最大程度的曝光。
Natural search is a vitally important distribution option for Internet services that can’t rely on viral distribution because it can provide the same kind of massive consumer exposure at no cost.
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