I want to meet him by all means.

This problem requires solving a nonlinear equation.

He's unpopular, but he's a very kind person.

An uncountable set refers to a set whose elements cannot be counted.

Part of this software is deprecated.

At first glance, they are brothers who appear falsely similar.

That plan is too impractical, it's difficult to implement.

His plan was so unrealistic that no one could believe it.

He works at a non-governmental organization.

His glasses are for correcting astigmatism.