these ways seem to be useful 同义解释

这些方法似乎是有效的

同义：

these ways really count

it seems that these ways are helpful

如果是英语解释的话：

These ways seem to be useful means that these way really count or work on sth, or these ways are helpful for sth.

这样不知道合不合你要求， 没有上下文针对这一个句子只能这么解释了。