Of course, services accessed using HTTP may also involve substantial processing delays.

当然，使用HTTP访问的服务还可能涉及到大量的处理延迟。

youdao

Using this method, a connection is created each time you access the database from your program, thereby incurring a substantial processing overhead.

通过该方法，每当您从程序访问数据库时，都要创建连接，从而招致大量的处理开销。

youdao

" And "all applications that were forwarded to the team of specialists experienced substantial delays in processing.

WSJ: Review & Outlook: Democrats and the IRS

It found IRS managers had allowed "inappropriate criteria" to be developed and stay in place for more than 18 months, resulting in "substantial delays" in processing applications for tax-exempt status, and requests for "unnecessary information", such as lists of donors.

BBC: IRS commissioner quits over conservative tax scrutiny