Short-term gains in fishing often lead to long-term losses for everyone involved.
化工制造中的可持续性不是一种选择,而是我们对下一代的责任。
自然是所有化学变化得以实现的伟大实验室。
"The writer is a man who is always searching for the right word, the perfect word, the word that will make the reader see what he sees, feel what he feels, understand what he understands."
儿童文学有塑造思想和改变生活的力量。