Refine the query description in more graph-traversal way

[qishipengqsp]

For example, complex read query 4

Given two accounts src and dst, and a specified time window between
startTime and endTime,
(1) check whether src transferred money to dst in the given time window
(edge1)
(2) find all other accounts (other1, ..., otherN) which received money from
dst (edge2) and transferred money to src (edge3) in a specific time.
For each of these other accounts, return the id of the account, the sum and
max of the transfer amount (edge2 and edge3). Return -1 for all result
attributes if there are no matches found for (1) and (2).