Question

such as 前要加逗号吗？

例如一句翻译：
医疗工作者例如医生和护士，常常忙于照顾病人的治疗直到他们痊愈。（involve,take）

Medical peofessionals,such as doctors and nurses are involved in taking care of the treatment of the patients until they get well.

such as 前要不要加逗号？

Answer 1

不用。
而for example表示就一个例子需要加逗号
such as可以举很多例子。
for example可加名词性短语，也可加句子；而such as只能加名词性短语 。

Answer 2

yao de

Answer 3

应该不要，for example前才加