My two problems with this type of fast food

1. Language, English is seldom spoken or understood

2. Drivethru - waits - not so much that there are five cars in front of me, I knew that when I pulled in, but when you have one problem child (car), make that car pull up in a waiting zone and have one of your staff bring it out when its ready and then process the rest, it would move the line much faster. If the line moves faster, less complaints