When traveling abroad it's a good idea to have at least a basic understanding of foreign languages

I agree with that.
You have asked no question, but if you meant for this to be a question, then absolutely yes, kit's a good idea.
... in order to communicate your needs, ask questions, read menus and street signage
... in order to ingratiate yourself to the "welcoming" people and "bond" with them
... to show respect for and an appreciation for another culture

Acquiring english is a way of learning where you learn english by birth, this includes listening to your parents, brothers and sisters and on the whole learning it from the environment around you while mastering standard english need qualified institutes and teachers who make certain programs and syllabus to you master the standard english. this also can include a long session of academic studies before you can master the standard english.standard english is necessary for literary works, official usage and writing materials for standardized publications or when someone needs to speak publicly. in most cases the employers of a company also demand and like the use of standard english from their employees.