These mistakes sap XML of its power and usefulness.

这些错误损害了 XML 的能力和有效性。

youdao

The heavy heart is indeed a weight that will surely drag us down in our holiness and usefulness.

灰心实在是一个曳我们往下的重担。

youdao

Develop architectural descriptions iteratively, constantly reviewing their correctness and usefulness.

迭代地描述架构，经常检查并确保它的正确性及有效性。

youdao

This clear and immediate usefulness provides motivation for many programmers who make mobile apps.

VOA: special.2011.03.22

After all, Google had buried early competitors such as AltaVista and Ask Jeeves solely with the accuracy and usefulness of its search results.

FORBES

The panel will rate applications on originality, simplicity, appearance, and usefulness.

FORBES: Magazine Article

Now the company is focusing on testing whether can improve side effects and usefulness in small molecule drugs, including ones for several old chemotherapy medicines.

FORBES: Three New Cancer Drugs You Should Watch