vital

至关重要的；生死攸关的；有活力的

【例】 It is vital for one enterprise to keep its innovation spirit.

对企业来说，保持创新精神至关重要。

vocation

职业；使命；才能

【例】 He has a vocation for teaching.

他是教书的材料。

void

空间；真空；空虚（感）；无效的；无用的；空的；空虚的；缺乏的；使无效

【例】 The previous appointment was declared void by the board.

董事会宣布先前的委任无效。

volatile

不稳定的；（人）情绪多变的；（液体等）易挥发的

【例】 Investors are quite cautious in investment as the market has been extremely volatile recently.

投资者们在投资时相当谨慎，因为最近市场一直极不稳定。

volume

贸易额；体积，容积；大量，许多；音量；书；册，本，卷

【例】 This work has grown in volume recently.

这项工作的量最近增加了。