He said diversification from tobacco in Malawi "cannot happen overnight".

他说，在马拉维，离开烟草实行多元化经营“不能一蹴而就”。

youdao

While it certainly would be desirable for the Chinese surplus to decline, this cannot happen overnight without negative effects on Chinese growth.

尽管中国的盈余下降肯定是可取的，但这不可能在一夜间实现，而又不对中国的增长造成负面影响。

youdao

Change on a global scale cannot and does not happen overnight. It takes time, patience and persistence.

世界性的变革不能也不会在一夜之间发生，它需要时间、耐心和毅力。

youdao

The Association for the Study of Obesity believes the report sends a clear message, but changes cannot happen overnight.

BBC: UK urged to tackle obesity problem