question: What is recommended for email transmission of Unicode ?
answer: the UTF-8 character set and the Base64 or the Quoted-printable transfer encoding
turker_answer: The UTF-8 character set and the Base64 or the Quoted-printable transfer encoding is recommended for email transmission of Unicode .
rule-based: The UTF-8 character set and the Base64 or the Quoted-printable transfer encoding is recommended for email transmission of Unicode .