In the last decade we've seen over 20 mobile platforms rise and then die not being able to achieve critical mass.
过去十年里我们目睹了20多个移动平台的起起伏伏。
Launched just five months ago, the store now offers over 10, 000 third-party apps, and Apple has seen over 300 million downloads.
现在苹果软件商店提供1万多个第三方软件,下载次数超过3亿次。
One reasonable explanation for the increase seen over this four year period is that ASD is now being diagnosed at an earlier age.
对4年间见到的这种增长的一种合理的解释是,现在ASD得到诊断的年龄更小了。
As an educator,however, Johnson says that there is no other widespread cultural innovation to explain the radical shift in language usage she's seen over the past few years.
VOA: standard.2010.01.16
where one person is, in a sense, ] seeing another without being seen.] She was starting down, Looking back over her shoulder at some fear.
某种意义上来说,这就是一个人看着,另一个,不被看到的时候],她想下来,转过头惊恐地望着下面。
And I have actually seen evidence over the years, mercifully, just a small amount of evidence, but there are, in a group like this, always a few students who come in with a really strong background in high school.
这几年我已经见到了实例,令人感激的是,只有小部分人,但在这,像这样的一个小组,总有一些来到我们这的学生,在高中打下了良好的基础。
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