They are made of organic matter:the same rules, the same laws of chemistry that apply to what makes this laser glow green apply to what makes these photodetectors work.

而是由有机物制作的，同样的规律，它与应用于让激光的光芒变绿,以及使这些光电探测器工作,的化学是一样的规律。

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President Barack Obama announced in June his deferred-deportation program allowing young immigrants to apply for work visas.

NPR: Thousands Rally Across US For Immigration Bill

Instead, they will be allowed to remain in the country indefinitely and to apply for work permits.

ECONOMIST: Executive authority v congressional oversight

In China, many first learn they are infected when they apply for work or a place at university and undergo medical examinations.

ECONOMIST: One-tenth of China's population risks discrimination