This duality makes the declarative function of a sentence in meaning more complete.

这种二重性使句子在语义上的陈述功能更加完备。

youdao

If only an image is used, the ToolItem needs to have a ToolTip (phrase or sentence of help information) that will be presented when the mouse is over the ToolItem to explain the function the image.

如果仅使用图片，那么ToolItem需要有一个ToolTip(帮助提供信息的短语或句子)，这样当鼠标停留在ToolItem上时，会显示ToolTip，解释图片的功能。

youdao

The 'mode' of a sentence is the function it plays in channeling communication - what degree of feedback it elicits, for example, of what degree of abstraction it considers. (Cope and Kalantzis)

句子的“模态”（mode）为其引导传达时所起的功能——例如，它引出何等程度的反馈，它产生何等程度的抽象。

youdao