人们感到“拮据”，因为他们不断增加的收入常常不能满足他们不断增长的需求，包括更大的房子，更多的医疗保健，更多的教育，更快的网络连接。
People feel "squeezed" because their rising incomes often don't satisfy their rising wants—for bigger homes, more health care, more education, faster Internet connections.
文件系统常常不能完成项目的安全性指导原则。
Often the file system cannot fulfill the security guidelines for a project.
这些软件都比较庞大，常常不能很好一起工作。
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