1.Singapore announced new steps to curb immigration as it tries to defuse one of its most contentious emerging political issues .
新加坡出台了限制移民的新措施，努力缓和这个争议最大的新政治问题之一。
2.Conservatives want to sharply curb immigration; Liberal Democrats want to legalize illegal immigrants already here.
保守党希望大幅控制移民，而自由民主党则希望让现有的非法移民合法化。
3.Singapore in February announced new steps to curb immigration.
新加坡2月份时公布了新的移民限制措施。