“假定性”是戏剧的本质特征。

Fiction is the essential characteristic of the drama.

新时期话剧形态的变化趋势，是从逼真性、幻觉性、单一性走向写意性、假定性、综合性。

The changing tendency of modern drama in the new period is that from vividness, illusion and singleness to impressionistic writing, supposition and synthesis.