zuò / wéi / quán / quán / dài / biǎo / tā / kě / yǐ / dài / biǎo / shuāng / fāng / qiān / shǔ / xié / yì作为全权代表,她可以代表双方签署协议。As a plenipotentiary, she can sign the agreement on behalf of both sides.