虽然有效的，这些止痛药也不是没有问题。

Although effective, these pain relievers are not without problems.

youdao

虽然有效，这种组合是昂贵的，危险的，甚至是有毒的。

Though effective, this combination is expensive, dangerous and even toxic.

youdao

虽然有点苦，但是很有效。

Although it's a little bitter, it's quite effective.

youdao

虽然有点苦，但是很有效。

Although it's a little bitter, it's quite effective.

youdao