patent system造句

1、An efficient patent system is essential for the promotion of innovation.
一个有效的专利系统对于促进革新是必须的。

2、The patent system is expensive.
专利体系价格昂贵。

3、But now the patent system itself, just as complex in its own way, is under increasing scrutiny.
但是现在，专利系统自身，也以其独特的复杂性，受到越来越多的审视。