I think the meaning of the phrase would be that she sees that food and education doesnt give her the gratification trendy apparel does. im not sure about what the context clues are but this should give you an idea. sorry i couldnt fully answer this.
<em><u>Answer:</u></em>
- To help the reader understand Harrison’s chronometer better.
The British were extremely worried for how they could make clocks that were precise as long as they remained still, however not when they were shaken about, and especially not on load up a moving boat.