Analysis:

The following translation is for reference.

1. This is not surprising.

For example:

1. Robin thought it wouldn't be surprising if the wolf appeared tonight.

Robin is thinking, it's not surprising that wolves appear tonight.

2. No wonder

No wonder he will succeed.

It is not surprising that he succeeded.

3. Not surprisingly

Given his skill and style, it is not surprising that he regards unshakable facts as the battle slogan of his organization.

Given his talent and style, it is not surprising that he regards hard facts as the inspiring slogan of the company.

4. This is impossible.

A society's respect or indifference to the elderly can easily show its respect or contempt for history.

It is not surprising that whether a society respects or despises history is often reflected by whether a society respects or ignores the elderly.