(a) The education system, from primary to university level, is severely constrained in its ability to provide students with study materials and laboratory equipment, since the embargo hampers efforts to acquire them on the international market;
(a) 由于封锁阻碍从国际市场上进行购买，从小学到大学的教育体系受到严重限制，无法保障学习的物质基础和研究室设备和材料；