In future, make sure the door is never left unlocked.

从今以后，千万别忘记锁好门户。

Whether he will continue to be successful in future is open to doubt.

他今后能否继续获得成功值得怀疑。

The country needs new leadership if she is to play a role in future development.

该国要在未来的发展中发挥作用的话，她就需要新的领导班子。

In future, staff recruitment will fall within the remit of the division manager.

以后招募新员工将属于部门经理的职责。

We may find it useful in future.; It may come in handy someday.

这东西日后可能用得着。