这些不只是理论问题或者机巧的思辨。
These are not mere rhetorical questions or clever arguments.
他是个很机巧的工匠。
当你去挑选有机巧克力时，你需要确定他们不含有主要被用于可可生产的有机氯杀虫剂，因为它对你的身体有害。
If you go with organic chocolate, you can be assured that they don't contain organochlorine pesticides which are typically used in treating cocoa crops and are harmful to your health.
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