[译] 这家书店有许多书。
[误] There are a great deal of books in this bookstore.

[正] There are a great number of books in this bookstore.
[注] a great deal of (大量的)后只能跟不可数名词，如 money, time 等。如果可数名词，必须用 a great number of, a lot of 等。