In Japan, the declining birthrate is progressing.

His true feelings came to light.

His true character came to light.

New business opportunities have arisen due to market segmentation.

We need to subdivide this project.

The environmental issues are becoming more serious.

Environmental issues are becoming more serious day by day.

Our company is promoting the diversification of products.

We need to diversify our product line.

The electricity market in Japan is progressing towards liberalization.