In contrast, few graduate in such disciplines as engineering and the physical sciences, whose teaching requires more sophisticated equipment and technology and is often too costly for many universities in developing countries to provide.
相比之下，工科和自然科学等专业毕业生寥寥，因为这些专业的教学需要用较为尖端的设备和技术，许多发展中国家的大学往往配备不起。