RIM公司的声明中并没有任何对于世界范围内数以百万黑莓手机直接与移动电信终端相连的使用者给出这样的承诺。
RIM's statement appears to make no promises to the millions of BlackBerry users worldwide who are contracted directly to a mobile-telecoms operator.
48岁的投资者伯格鲁恩(Nicolas Berggruen)是“捐赠承诺”的新加入者，他说他决定在活着的时候捐出自己的财产，这样对于自己的钱将被如何使用他就能亲自负起责任。
Investor and new addition to the pledge, Nicolas Berggruen, 48, said he decided to give away his fortune while he was alive so he could personally take responsibility for how his money is put to use.
像这样一个请求-取消-新请求的序列用承诺是很难实现的，但接下来我们会看到，它对于可观察对象却很简单。
Such a request-cancel-new-request sequence is difficult to implement with Promises. It's easy with Observables as we'll see.
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