This Contract enters into force the date specified above.

本合同自上述标明日期起生效。

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The exchange of assets occurs on the date specified in the contract.

资本的交易发生于合同所指定的日期。

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Such variations will take effect from the date specified in the notification.

该等变更自通知指定的日期起生效。

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It means the host needs a definite head count for the planned event, and needs it by the date specified on the invitation.

FORBES: Importance of the RSVP

Options are the right to buy or sell these investment assets at a set price before a specified date in the future.

BBC: Hedging - a rough guide

Support for the markets stemmed from the Federal Reserve saying it would undertake another round of quantitative easing with no specified ending date, the European Central Bank announcing intentions to buy debt of troubled European nations, and China approving new infrastructure projects.

FORBES: Average Base Metals Prices Expected To Fare Better In Coming Quarters; Gains Seen As 'Moderate'