特点是，以…为特点

• The modern scene was marked by tremendously rapid and ever-accelerating change.

  现代社会正以惊人的步调加速变化。

• It is marked by a tendency to employ shapes of a deliberately nebulous character.

  它以故意模糊不清的朦胧形象为标志。

• The goods supplied shall [be marked by] " passed - quality ".

  所供应的货物必须标示 “ 品质合格 ”。