毕竟，如果欧盟能够提供欧盟和英国市场的事实准入 — — 总和比只有欧盟市场的情况大20 % — —其谈判实力将大幅增强。
After all, if the EU can offer de facto access to the EU and UK markets – which, together, are 20% larger than the EU market alone – its negotiating power is significantly strengthened.