Subspecies are often difficult to distinguish from one another .
区分不同的亚种是很困难的。
There are some boys with pigtail which are very difficult to distinguish from the girls .
有的男生留个辫子很难把他们同女生区别开。
But the film begins with a truly terrible piece of back-story in which people you know nothing about-and cannot readily distinguish from each other-are fighting about something obscure .
In the meantime capture should be distinguish from confiscation capture fine and so on .
同时，收缴应与没收、收缴罚款等加以区分。
However it is not yet clear how the rule will be applied or how it will prevent some types of proprietary trading that are difficult to distinguish from market-making .
