You could use interpolation on the translation:
in your en.yml:
support_team: "support team"
contact_support_team: "Contact our %{support_link} about your questions."
in your ruby code:
support_link = link_to(i18n.t('.support_team'), support_path(i18n.locale))
i18n.t '.contact_support_team', support_link: support_link