Generate the answer for a given question. The question requires common knowledge of English. Make sure that the answer is in detail, long, consistent with the context, and requires general knowledge of English. To be less repetitive, please vary your language for each question. Give a proper explanation to answer, and if necessary, provide the definition of various terms. And conclude your answer if it's long. If you have used other resources (e.g., Merriam Webster's.) to answer the question, include citations in your answer. You don't need to paraphrase the context of your resources, but make sure that your answer is consistent and complete.
One example: How are i.e. and e.g. pronounced?
Solution is here: i.e. stands for id est (Latin), which means 'that is'. You use it to link in a deeper explanation about something. Pronounce it 'eye - ee'. e.g. stands for exempli gratia (also Latin), which means 'for example'. You use it to link in an example of a more generic term. Pronounce it 'ee - jee'
Explanation: Perfect answer because it's consistent with context uses required information from the question to provide the detailed answer with an example.

Now, solve this: Is there a specific reason for this? After all, it is 'boys and girls', rather than 'girls and boys'. If the boy (male) comes first here, why doesn't it come first in 'ladies and gentlemen'?.
Solution:
It probably has to do with the phonetic and metrical properties of 'ladies and gentlemen' versus 'gentlemen and ladies.' Say them both out loud and see which one sounds better to you, intuitively. The metrical pattern of 'ladies and gentlemen' consists of (arguably) two dactyls. A dactyl is a group of three syllables where the first is stressed and the second two are unstressed. When these occur in succession, they are pleasant to the ear. ladies and gentlemen DUM da da / DUM da da The metrical pattern of 'gentlemen and ladies' falls into a much less regular pattern. It is less pleasant to the ear. It is something like a stressed syllable followed by three unstressed syllables followed by a stressed syllable followed by an unstressed syllable. gentlemen and ladies DUM da da da DUM da Our language tends to organize itself according to regular and pleasant stress patterns. My guess is that is why we feel more drawn to 'ladies and gentlemen' than 'gentlemen and ladies' and why the former has conventionalized.