その二つの考えはまったく別個のものだ。の英語

Those two ideas are quite distinct.

reconcile two different ideas

These two are very different from each other.

The two brothers are quite unlike in their appearance.

The way that these two are written is different.

The contrast between the two ideas is very marked.

The two brothers are quite unlike in their appearance.

They differ in opinion

They are of different opinions

They hold different views.

The two ideas are mutually contradictory [exclusive].

two thoughts in one's mind

There is not much difference between the two.

There's not much difference between the two.

There isn't much difference between the two.

They differ in their political views.

believing two contradictory ideas at the same time

There was a subtle difference between their views.

They differ in points of view―view from different standpoints.

the two ideas were considered separably

There is not much difference between the two opinions.

There isn't much difference between the two opinions.

There's not much difference between the two opinions.

harmonize two different opinions

Their views are poles apart.

They are widely different （from each other）.

There is a wide disparity of views between them.

The two models have completely different features.

There was a great gap between the views of the two.

Those two make a strange combo.