Sentence examples for striking progress has been from inspiring English sources

Promising advances have recently been made in the design of more efficient mucosal adjuvants based on detoxified bacterial toxin derivatives or CpG motif-containing DNA, and perhaps even more striking progress has been done in the use of virus-like particles as mucosal delivery systems for vaccines and of cholera toxin B subunit as antigen vector for immunotherapeutic tolerance induction.

In foreign-invested enterprises, progress has been particularly striking.

However, progress has been even more striking for relatively low-diversity clades (those containing < 2% of vertebrate diversity) such as crocodilians and turtles.

Huge progress has been made.

However, progress has been slow.

But progress has been fitful.

But progress has been limited.

No progress has been made".

Still, progress has been elusive.

But progress has been slow.

However, progress has been glacial.