First, it must be broken-in to be an effective tool for catching balls.

首先，它必须是一个有效的工具，用来捕获球。

youdao

Li emphasized that cooperation is an effective tool to cope with the challenges faced by mankind.

李肇星强调，合作是应对人类共同挑战的有效途径。

youdao

Its logging, which produces exact timelines and error messages received by users, makes it an effective tool to collect data or identify the root cause of issues.

其日志(它生成准确的时间轴和用户收到的错误信息)使其变为一个收集数据或确定问题根本原因的有效工具。

youdao

Economists have long considered government spending, especially on infrastructure, to be an effective tool for revitalizing a stagnating economy.

VOA: standard.2009.10.16

Even opponents agree that, when used properly, eminent domain can be an effective tool.

WSJ: Battle of the Beach

Facebook Events can be an effective tool to promote a sale, an exhibit or a demonstration.

FORBES: Could Facebook Revolutionize Your Business? Tips From The New Book: Ramon Ray

Still, quantitative easing is an effective tool, and the macroeconomic situation warrants it, Dueker said.

FORBES: History Says Buy Stocks Ahead Of Bernanke's Jackson Hole Speech