【for+sth ,】和【to+sth,】放句首有什么区别

【for + sth ,】【to + do sth,】都是表示做某事的目的,紧接着陈述要做的那件事.

一般来说,for 后面+ 名词.举例：

For your health,you have to keep doing exercise.

"为了您的健康,你得坚持做运动".

to 后面+ do sth (即动词原形）.举例：

To save time,we have to go by taxi.

"为了节省时间,我们得打的过去".

例句

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For people who have a job, they have features as no fixed study time, various occupations, and clear target of study etc. Traditional teaching method and stylewill fail to satisfy them in improving their occupational stuff and competence.

There is no specific test for SAD, but for people who think they are susceptible, experts suggest sitting near a specialized lamp with a very bright fluorescent ( 10,000 lux) for about 30 minutes a day for two to four weeks.