By 2050, if nothing changes, that number will have trebled.

如果情况没有改变，那么到了2050年这个数字将会翻3倍。

youdao

Funny is that the time from day to day, as if nothing changes, but when you look back, everything changed.

好笑的是，时间一天天过，好像什么也没改变，但当你回头看，每件事都变了。

youdao

As 2009 ends, the climate situation appears to be worse than anyone had thought, with 4c temperature rises a certainty within 50 years if nothing changes.

随着2009年结束，气候形势似乎更加严峻，超出了人们的想像——如果再不改变现状，那么在五十年内，气温肯定会上升4度。

youdao

Then if nothing changes, it may be time to visit human resources and file a complaint.

FORBES: Daddy Issues In The Office

If nothing changes the health insurance program for low-income families will overwhelm the state budget.

FORBES: New York Lt. Gov Says Medicaid Will Ruin The State Budget

Professor McMahon believes if nothing changes, we could see one in six people eligible for weight-loss surgery within a generation.

BBC: Fat stars 'make obesity normal'