Where does this definition of advance booking come from?
This entry for advance booking is sourced from GetWord Corpus, one of the dictionaries and corpora merged into Lughet.
Is advance booking a noun, verb, or something else?
In this entry, advance booking is tagged as 2n..
What is Lughet?
Lughet is a free trilingual dictionary covering nearly five million entries across Uyghur, Chinese, and English, drawn from more than ten source dictionaries and corpora.