Applications must be in by April 30.

申请务必于四月三十日之前寄到。

《牛津词典》

Upper-bracket taxpayers who elected to pay their tax increase in instalments must pay the third instalment by April 15.

选择分期支付增税的高额纳税人必须在4月15日之前交纳第3期税款。

《柯林斯英汉双解大词典》

Reliance intends to open 100 stores in Delhi alone by April.

信实集团计划在今年四月前，光在新德里就开设100家这样的连锁店。

youdao

In March, the government ordered Chrysler to cut costs and form an alliance with Italian carmaker Fiat by April thirtieth.

VOA: special.2009.05.01

By then,Lincoln was dead. On April fourteenth,eighty sixty-five, Southern sympathizer and actor John Wilkes Booth shot Lincoln in Ford's Theatre.

VOA: special.2009.02.09

A survey last April by the Pew Forum on Religion and Public Life found that fifty-four percent of Americans opposed gay marriage.

VOA: special.2010.02.06

The Treasury has said it intends to fully exit its GM investments by April 2014.

WSJ: GM Shares Lifted by Economy, New Product Launch

By April, 40, 000 polling stations must be set up, and 200, 000 polling officers hired and trained.

ECONOMIST: Democratic Republic of Congo

It expects to repair about 36, 000 potholes by April compared to 24, 000 during an "average" year.

BBC: Oxford