“出国留学要交保证金吗？” 常见的英语表达有以下几种：
Do you need to pay a deposit when studying abroad?
Is it necessary to pay a security deposit for studying abroad?
Do students have to pay a guarantee deposit when going abroad to study?
其中，“deposit”“security deposit”“guarantee deposit” 都有 “保证金” 的意思。在具体语境中可根据需要进行选择和使用。