Combining EL expressions to translate field label according to language

Summary:

I need to combine EL expressions to translate field label according to language

Content (required):

I need to create an EL to change labels of some fields on the Career Development page, according to the language. We tried to make these label changes via the Sandbox with the User Text Interface tool, but this didn't completely suit us because the Career Development page shares the same fields with the goals page and we need the field labels to be different between the two pages. When we change a field's label via the User Text Interface, the field's label is changed on both pages (Goals and Career Development). We have a need for different labels for