由于办公室和住家往往通风不良，这些化学物质会愈积愈多进而成为危害健康的物质。

As offices and homes often have inadequate ventilation, these chemicals can build up to become health nuisances.

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毕业于化学系的Shirur说：“到办公室工作然后在那里呆两个小时并不容易，因为这太碌碌无为了。”

"It wasn't easy to go to the office and stay there for two hours because it was so mundane," said Shirur, who graduated from college with a degree in chemistry.

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许多化学治疗在门诊给予（在医生办公室或门诊），但是一些需要住院。

Many chemotherapy treatments are given on an outpatient basis (in the doctor's office or clinic), but some require hospital admission.

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