Society's acceptance of different sexual orientations is gradually increasing.

社会对不同性取向的接受度在逐渐提高。

Understanding heterosexuality and other sexual orientations helps to increase understanding.

了解异性恋和其他性取向有助于增进理解。

They are very respectful when discussing heterosexuality and other sexual orientations.

他们在讨论异性恋和其他性取向时非常尊重。