In film shooting, the clapperboard plays an important role.

This report provides a comprehensive analysis of the problem.

The shape of her cheekbones is beautiful.

In this chemical experiment, accurate dilution is necessary.

Please dilute this medicine with water before drinking it.

This research is based on quantitative data analysis.

I think he should be treated preferentially.

He arrogated my idea.

He arrogated my idea.

He achieved success through persistent effort.