互联网、手机和飞机都是人们日常使用的技术，如果没有数学和科学专业的学生发明它们，这些技术进步是不可能实现的。

The Internet, cell phones and airplanes are all technological advances that people use everyday and would not be possible without students of math and science inventing them.

youdao

通过收购实现全球扩张通常代价高昂，而通过内部增长实现扩张则非常耗时；在那些没有积极增长的市场上，实现扩张有时甚至是不可能的。

Global expansion through acquisition is usually expensive, and expansion through internal growth is time-consuming and sometimes impossible in markets that are not actively growing.

youdao

没有知识分子的参加，实现四化是不可能的。

Without the participation of intellectuals, the realization of the four modernizations is impossible.

《新英汉大辞典》