What should we use - in or of? I prefer using "in".
1. Law systems in Hong Kong are in fact different to that in Mainland, and also different to that in (of) America.
Are the following sentences correct?
2. Adhering to conspicuously just laws which accepted widely by the public could be beneficial to both every individual and society as a whole.
3. And while reasonable people with different cultural and religious viewpoints might challenge about what make these laws or regulations properly these days.
Which one is better, sound or healthy? And why?
4. As an increasingly communication and cooperation across national and cultural boundaries, the conflict of old-fashioned and unjust laws could undermine the sound/healthy development among various ethnic and racial groups.