世卫组织批准首个有效的疟疾疫苗

The acrimonious debate on the agenda ended indecisively.

对这项议程的激烈辩论无果而终。

Most of employers are planning to cut down on wages instead of laying off employees in response to the economic depression.

为了对经济萧条，大多数雇主正计划降低工资，而不是裁员。

The traffic laws don't take effect until the end of the year.

交通法要到年底才生效。