方便性考虑到购买产品，找到产品、发现产品信息的容易度以及其他因素。
Convenience takes into account the ease to buy a product, find a product, find information about a product, and several other considerations.
这种俳例真是太奇怪了，它与打字的速度和容易度并没有什么关联。
The arrangement, strangely enough, has nothing to do with making typing easier or faster.
音阶上升三度容易，上升七度就难了。
It's easy to go up to a third scale, but difficult to a seventh.
应用推荐