Both of these cases assume that there is only one abstraction through which users should use the system or at least a specific part of the system.
"The grocery bill is higher in Texas," said Brandon Chase McGee, a city councillor in Denton who served as a senior official in the Texas Democratic Party. "Gas isn't as cheap. We're still facing challenges to building more affordable housing for regular working people. Child care costs are high. The challenges that people are experiencing in other parts of the country, we're also getting them in Texas."
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Understand the requirement. What's being built? Why? What constraints exist?
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