How can the district help clubs become or remain effective?

地区如何能协助扶轮社变得或保持有效成功？

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This offer will remain effective for another 10 days from June 1.

该报盘从6月1日起10天内有效。

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To remain effective, it must respond to contemporary circumstance.

为了保持有效，它必须响应时代环境。

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The NCI hopes to enroll 390 patients for the next phase of these trials, but they caution it will be six to eight years before they can prove this vaccine can remain effective.

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While we have not found evidence to support any claims, Keith exercised poor judgment that ultimately undermined his ability to remain an effective leader at Square.

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We remain certain about an effective partnership U.S. and China could build in the future to face global challenges.

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